APPS: Fixed scene2pset for empty depth maps
bundlefile.cc: increased the maximum number of a feature's camera references to the total number of cameras
Merge pull request #77 from lemony-fresh/max-feature-ref-fix

MVE: Increased the max number reference cameras for a feature
Merge remote-tracking branch 'upstream/master'
MVE: Fixed bundle file warning
MVS: Fixed handling of user-specified color image name
Merge remote-tracking branch 'upstream/master'