Merge pull request #2068 from sherzodv/scala-ide-cache-main

[Scala] exclude Scala IDE related .cache-main .

Global/Eclipse.gitignore

@@ -49,3 +49,6 @@ local.properties
 
 # Code Recommenders
 .recommenders/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main