Fix 64bit pointer arithmetic warnings
Fix isolated cases that violate gcc's -Wignored-qualifiers
 Fix up files missing newlines at end of file
Add wrappers for the standard math library

Simplifies transition to software based math libraries
for projects requiring determinism.
Add ability to specify areaId of obstacle in detour tile cache
Fix issue causing obstacle slits at tile borders

Only remove poly vericies if they are both:
 * From proper internals
 * Belong to a single countour
- editing dtMarkCylinderArea to choose the maximum AreaId for an obstacle
Update recast to use sunmath instead of CRT
Merge remote-tracking branch 'miko/master' into devel