SFM: Fixed malloc.h, removed typename
SFM: Video matching
SFM: Added camera to camera database
SFM: Max image size of <= 0 disables resizing
SFM: Fixed compiler warning
SFM: Include missing headers
SFM: Fix threading macros on Windows
SFMRECON: insert NULL checks to fix crash
Merge pull request #113 from andre-schulz/sfm-win32-fixes

SFM win32 fixes
Merge pull request #114 from Waldteufel/fix-sfmrecon

SFMRECON: insert NULL checks to fix crash
SFM: put PBA in sfm::pba namespace