dirsync err handling

Ignore-this: af0b3aa8bbd4e7595dd0ef57e4c9861b

darcs-hash:20130622223800-312f9-0411d6e133a235b2827e6a6d0244b0e716aa70e9
readme

Ignore-this: b4657444337badd4c69b227450cab07a

darcs-hash:20130622223853-312f9-6825bb25890d4ffb9c4303b46100c8641ad2ea93
a note about an exif xml error

Ignore-this: 41cad293482c60bc50b23fba14e18c36

darcs-hash:20130622223859-312f9-5f0156ab8348a4dfb0c2e5192f0850e01800080c
some unfinished email-send feature

Ignore-this: 37ea6a8c64918caa82c95c5c329a628a

darcs-hash:20130622223955-312f9-4565370d0150a6602c4f94d1737574a6d70bdc8a