NameSuggester improvements: prefixes for some special types, things like intToString for maps and functions, intOrString for Either[Int, String];
better collection finding
#SCL-7128 fixed
Merge branch 'master' of github.com:JetBrains/intellij-scala into scalastyle
Merge branch 'scalastyle' of github.com:janm399/intellij-scala into scalastyle