Update NetJavaImpl.java

issue 1576
Kotlin compatibility fix
Update Net.java
Update IOSNet.java
Updated maven-download-plugin version to 1.1.0
Changed robovm.xml files for sample games to use the new more powerful <resource> introduced in RoboVM 0.0.4 in order to turn off pngcrush being run on PNG files.
setAngle in Vector2 now returns this for chaining.
Merge pull request #521 from Lemoncog/master

setAngle in Vector2 now returns this for chaining.
Fixed fetch typo x96 to x86

extensions/gdx-remote/libs/x86
Added x86 directories to .gitignore
Added functionality to rectangle

Calculating aspect ratio, calculating center point, centering the
rectangle to a point, fitting a rectangle in/outside another rectangle
while maintaining aspect ratio.
Change default constructor to public

The GWT reflection requires a public default constructor.
Fix Issue 1602
Revert "Added functionality to rectangle"

This reverts commit e83eb23f543040bafd7e78b700913672c2cf04fe.
Update TextField.java can't copy passwords ANYMORE

Was able to copy passwords ;)
Now, can't copy passwords anymore...
Merge pull request #523 from JonECG/master

Fixing the fetch and gitignore
Merge pull request #524 from Herjanz/patch-2

Update TextField.java can't copy passwords ANYMORE
Merge pull request #519 from ntherning/master

Changed robovm.xml files for RoboVM sample games to turn off pngcrush
Merge pull request #518 from nikitatikh/proxy-fix

Updated maven-download-plugin version to 1.1.0
Merge pull request #513 from fogone/master

Kotlin compatibility fix