CLI: change argument naming convention

As in all other Unix/POSIX tools and JVM language compilers, multiple words
comprising the argument name should be lowercase, separated by dashes

compiler/testData/cli/js/jsHelp.out

@@ -1,12 +1,12 @@
 Usage: kotlinc-js <options> <source files>
 where possible options include:
   -output <path>             Output file path
-  -libraryFiles <path[,]>    Path to zipped library sources or kotlin files separated by commas
-  -sourcemap                 Generate SourceMap
+  -library-files <path[,]>   Path to zipped library sources or kotlin files separated by commas
+  -source-map                Generate source map
   -target <version>          Generate JS files for specific ECMA version (only ECMA 5 is supported)
   -main {call,noCall}        Whether a main function should be called; default 'call' (main function will be auto detected)
-  -outputPrefix <path>       Path to file which will be added to the beginning of output file
-  -outputPostfix <path>      Path to file which will be added to the end of output file
+  -output-prefix <path>      Path to file which will be added to the beginning of output file
+  -output-postfix <path>     Path to file which will be added to the end of output file
   -tags                      Demarcate each compilation message (error, warning, etc) with an open and close tag
   -verbose                   Enable verbose logging output
   -version                   Display compiler version

compiler/testData/cli/js/outputPostfixFileNotFound.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/simple2js.kt
 -output
 $TEMP_DIR$/out.js
--outputPostfix
+-output-postfix
 not/existing/path

compiler/testData/cli/js/outputPrefixFileNotFound.args

@@ -1,5 +1,5 @@
 $TESTDATA_DIR$/simple2js.kt
 -output
 $TEMP_DIR$/out.js
--outputPrefix
+-output-prefix
 not/existing/path

compiler/testData/cli/jvm/help.out

@@ -3,13 +3,13 @@ where possible options include:
   -d <directory|jar>         Destination for generated class files
   -classpath <path>          Paths where to find user class files
   -annotations <path>        Paths to external annotations
-  -includeRuntime            Include Kotlin runtime in to resulting .jar
-  -noJdk                     Don't include Java runtime into classpath
-  -noStdlib                  Don't include Kotlin runtime into classpath
-  -noJdkAnnotations          Don't include JDK external annotations into classpath
+  -include-runtime           Include Kotlin runtime in to resulting .jar
+  -no-jdk                    Don't include Java runtime into classpath
+  -no-stdlib                 Don't include Kotlin runtime into classpath
+  -no-jdk-annotations        Don't include JDK external annotations into classpath
   -module <path>             Path to the module file to compile
   -script                    Evaluate the script file
-  -kotlinHome <path>         Path to Kotlin compiler home directory, used for annotations and runtime libraries discovery
+  -kotlin-home <path>        Path to Kotlin compiler home directory, used for annotations and runtime libraries discovery
   -tags                      Demarcate each compilation message (error, warning, etc) with an open and close tag
   -verbose                   Enable verbose logging output
   -version                   Display compiler version

compiler/testData/cli/jvm/wrongArgument.args

@@ -1 +1 @@
--wrongArgument
+-wrong-argument

compiler/testData/cli/jvm/wrongArgument.out

@@ -1,16 +1,16 @@
-Invalid argument: -wrongArgument
+Invalid argument: -wrong-argument
 Usage: kotlinc-jvm <options> <source files>
 where possible options include:
   -d <directory|jar>         Destination for generated class files
   -classpath <path>          Paths where to find user class files
   -annotations <path>        Paths to external annotations
-  -includeRuntime            Include Kotlin runtime in to resulting .jar
-  -noJdk                     Don't include Java runtime into classpath
-  -noStdlib                  Don't include Kotlin runtime into classpath
-  -noJdkAnnotations          Don't include JDK external annotations into classpath
+  -include-runtime           Include Kotlin runtime in to resulting .jar
+  -no-jdk                    Don't include Java runtime into classpath
+  -no-stdlib                 Don't include Kotlin runtime into classpath
+  -no-jdk-annotations        Don't include JDK external annotations into classpath
   -module <path>             Path to the module file to compile
   -script                    Evaluate the script file
-  -kotlinHome <path>         Path to Kotlin compiler home directory, used for annotations and runtime libraries discovery
+  -kotlin-home <path>        Path to Kotlin compiler home directory, used for annotations and runtime libraries discovery
   -tags                      Demarcate each compilation message (error, warning, etc) with an open and close tag
   -verbose                   Enable verbose logging output
   -version                   Display compiler version