Added a flag to enable/disable mesh parts for ModelInstance.
updated gradle gwt plugin to 0.3 in build.gradle of template project
InputProcessor: Javadoc fixes

Added iOS notes since iOS is treated the same.
Application: Removed monotouch references + GL 1.x
Merge pull request #1475 from Unkn0wn0ne/patch-3

Javadoc fixes
Merge pull request #1460 from Ksienrzyc/master

Flag to enable/disable mesh parts for ModelInstance.