Added URL to PhD thesis 2

Added URL to PhD thesis

Added URL of summary video to readme

fixed some problems with new docs

Merge pull request #41 from LukasBommes/process_rgb

added crossref to rgb tutorial

added docs section on RGB processing

inference config was inherited from wrong class

updated docs to include RGB videos

fixed broken test cases

made ir/rgb param backward compatible

changed ir rgb selection to use a config file flag

made prepare opensfm compatible with rgb

fixed error in docker run command in docs

made quadrialteral estimation and cropping compatible with rgb