Override equals and hashCode on FileHandle

FileHandles having the same type and path should be considered equal.
Unused fields.
Javadoc
Merge branch 'origin/master'
Added HorizontalGroup, spacing.
Fixed alignment.
getLogLevel() in Application interface
Merge pull request #834 from jrenner/get-log-level

getLogLevel() in Application interface
Merge pull request #824 from MobiDevelop/filehandle-equals

Override equals and hashCode on FileHandle
Minor formatting changes.
Setting to only keep one image in memory at a time.

Loads images twice, but makes only a very small difference in execution time, so enabled by default.
Merge branch 'origin/master'
Fix ArrayReflection emulation.

Closes #838
Merge branch 'origin/master'
Fixed the texture packer.

I suck.
Merge branch 'master' into quat_branch
Reduced the tolerance