changed release build to NON-PIE binary

fixes a portion of #2542
Merge pull request #3197 from julapy/ios-non-pie

changed release build to NON-PIE binary int iOS xcode projects template.
rapsberry: move some flags out of cross compiling.

Seem to be needed now when compiling on the pi too:
http://forum.openframeworks.cc/t/of-compilation-errors-on-raspberry-pi/16950/12
Merge branch 'master' of github.com:openframeworks/openFrameworks
ofUtils: monotonic clock functions doesn't link on the RPI