Remove MPCheckpoints, no longer useful.  Perform pasteboard importing on a background thread.
Re-enable submodule support in Travis; Pearl is no longer excessive.
submodules needs to be explicitly true?  + fix version numbering.
clean up todo.
Fix crash when clearing the pasteboard.
xctool gets project targets confused; specify iOS project explicitly.
Fix pkg_sha of crypt_blowfish; verified by checking the signature of the package against crypt_blowfish-1.3.tar.gz.sign
Merge remote-tracking branch 'upstream/master'