Revert "Added optimizations to ClassifyFloat/Double functions in Mathutil.cpp and to PPCCache.cpp"

This reverts commit 7aae9ccbc0494cd468a37413d7199061bd1981d2.

Reasons:
- no test results have been provided to prove the usefulness of the patch
- broken coding style
- the author hasn't replied to any criticism
[Android] Remove SimonVT menudrawer library. Move to Google's support library for their navigation drawer support. Overall cleanup.
[Android] Fix ant build?
update zlib to v1.2.8
update soundtouch to svn revision 173
fix deb-x64 and osx-x64 builds after soundtouch update
replace alloca with malloc to fix windows builds
forgot to add free() to the previous malloc change