Several Gdx.Net enhancements.
Small changes.
Merge branch 'master' of https://github.com/libgdx/libgdx into netstuff
Added note to CHANGES.
GWT: Fixed coordinates for touch and mouse events when CSS scaling is applied to the Canvas element.
Fix warnings about JRE 1.6
BASIC ios vibrate, boo apple
Merge pull request #2483 from sehugg/gwtinputscaling

GWT: Fixed coordinates for touch and mouse events with CSS scaling
Merge pull request #2484 from Zomby2D/master

Fix warnings about JRE 1.6
Removed the new HTTP methods.
Emulate BufferUtils.copy(Buffer, Buffer, numElements)
Merge pull request #2467 from nooone/netstuff

Small improvements for Gdx.Net (HTTP)
Merge pull request #2506 from xoppa/bufferutils

Emulate BufferUtils.copy(Buffer, Buffer, numElements)
Merge pull request #2499 from Tom-Ski/vibrate

BASIC ios vibrate, boo apple
Merge branch 'master' of https://github.com/libgdx/libgdx into gl