update initilaization of m_pLastSpatialPicture
Merge pull request #984 from ruil2/error_remove

    update initilaization of m_pLastSpatialPicture
fix rc initialize bug
Merge pull request #987 from ganyangbbl/rc_init_bug

fix rc initialize bug
string include fix for 64bit windows build
Merge pull request #988 from emannion/master

string include fix for 64bit windows build
Merge remote-tracking branch 'upstream/master' into travis.osx