Moved general JPS test data to common directory.

jps-plugin/testData/general/ManyFiles/src/Bar.kt

@@ -0,0 +1,3 @@
+package foo
+
+class Bar

jps-plugin/testData/general/ManyFiles/src/boo.kt

@@ -0,0 +1,6 @@
+package boo
+
+import foo.Bar
+
+fun boo(bar: Bar) {
+}

jps-plugin/testData/general/ManyFiles/src/main.kt

@@ -0,0 +1,8 @@
+package foo
+
+import boo.boo
+
+fun main(args: Array<String>) {
+    val bar = Bar()
+    boo(bar)
+}