Fix: delete wrong file when Contract files have same name.

Fix githubwing#29.
Use for loop to filter right file, instead of using magic index.

Fix NPE

Fix NPE when the EventLogger trying to hide a balloon.

[Deprecated]Fix modifier bug, add log.

Fix the modifier bug again of generated classes : package-private -> public;
Add EventLogger to print log to Event Log, trace and balloon could be disabled in group Mvp Helper;

[Deprecated]Compat with Android Studio project

Deprecated use v2.2 instead

Fix AbstractMethodException caused by Intellij Platform UI Resource Release: default interface is Java 8's feature.
Fix NullPointerException caused by locate root dir logic, I used to locate myCurrentDir to projectRoot/src , but in Android Studio, it should be projectRoot/anyModel/src/main/java .
Fix Contract modifier lose cause by merge, maybe, anyway I just force the generated Contract to be a public interface.