Fixed analyzer issue "Value stored to 'srcCollection' is never read"
Fixed analyzer issue "Access to instance variable 'count' results in a dereference of a null pointer (loaded from variable 'pageMetadata')"
Fixed analyzer issues "Branch condition evaluates to a garbage value (within a call to 'FreeYapDatabaseString')" and "Potential leak of memory pointed to by '_dstFilePath.str'"
Merge pull request #68 from choefele/master

Fixed Xcode analyzer issues