Updated the docset link

Updated the docset link
Merge branch 'master' of github.com:parworks/PARWorks-iOS
Updates to the AR Core to support augmenting multiple sites at once through the ARMultiSite and ARMultisiteAugmentedPhoto
More updates to make Easy PAR work
Merge branch 'develop' of github.com:parworks/PARWorks-iOS
Addition of more files needed to make EasyPAR work with the centroid
Minor changes to EasyPAR