Fix singleton access after destructor

(Closes: #53)
Fix wrong vector lengths in non-SSE2 builds.

(Closes #56)
FindPhidgets for windows and linux.

(Closes #26)
minor docs
changelog: update of release date
release script: update SVN->GIT
Update debian changelog
Fix unicode
Re-enable c++11 in clang
CMake scripts: better verbosity control
Fix CPack install in Windows
More CPack install fix for windows
Mark start of v1.2.1
Fix compilation of SRBA with DEBUG_GARBAGE_FILL_ALL_NUMS=1
New method in poses: setToNaN() (for srba refactoring)
Fix Plane ambiguous method calls
Fix Misc header ambiguous method calls
Merge pull request #58 from yunyul/master

Fix pbmap ambiguous method calls
typo
(old) Debian bug marked as fixed.