Fixed minor build warnings for ePub3.xcodeproj
Removed warning-causing dylib linking for ePub3-iOS target
Merge pull request #60 from NYPL/feature/ePub3-iOS-build-fix

Fixes for various warnings in ePub3-iOS target
Merge commit '602d3afbbaa0a31a679242b42271bf10b2297aae' into develop

remove some private configuration files