Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Added empty constructor in order to work with JSON
Added empty constructor in order to work with JSON
Added Polygon empty constructor in order to work with JSON
Allowing "null" for glTexImage (already in Lwjgl10.java!)
fixed fetch script, removed old update script, fixed build scripts
removed all binaries from repo
killed more stuff
fixed gitignore
removed binaries from ios tests, updated fetch script
upps
fixed ignore to include gdx/libs
fixed copy target in build
Update scene2d javadoc.

Add more text to class descriptions to give a bit of an overview of how
the pieces fit together.  Add an example.  Fix a bunch of minor typos
and one javadoc warning.
Merge pull request #231 from bitiotic/docfixes.scene2d

Update scene2d javadoc
Javadoc for GDX Files

Add a note about how different some files are (compressed inside an
.apk for example).  Try out a "package-info.java" file for documenting
package-level ideas.
Javadoc fixes for Math

Make URLs into real links in generated javadoc.  Improve the wording on
a bunch of functions.  Add thread-safety warnings to a bunch (but not
yet all) methods that use Vector3.tmp().
Replace @throw with recognized @throws throughout FileHandle.java
Merge pull request #232 from bitiotic/docfixes.files

Javadoc fixes for com.badlogic.gdx.files