Make these fields protected

My subclass needs them :(
Merge pull request #9 from skennedy/hwf_development

Made target fields in SmoothCamera protected.
Cleanup :)
Some tabs were replaced with spaces... oops
More whitespace fixes
Merge pull request #11 from HangingWithFriends/GLES2_cleanup

GLES2 cleanup.
Updated classpath.
Added clear method to Library.
Merge branch 'GLES2' of github-ca.corp.zynga.com:externals/AndEngine into GLES2