Use Babel to generate translation strings
Updated translation template
Feeded translations with the new template
Recompiled translations
Rename test data to not use a : in filenames - Windows and issue #302
Merge pull request #301 from torkve/master

Use Babel instead of xgettext
Refactoring search results and message tree
Fixing a bunch of buglets in or revealed by tests
Moving date formatting and other things into util.py
Fix CLI search view after json format changed
Merging PGPMime into GPG interface.
A bit of PEP8
EncryptionInfo and SignatureInfo classes, plus incomplete transfer.
PEP8
Fix friendly_datetime
Fixed is_editable_message()
Fix nosetests to match search API changes
New signature/decryption message handling and better management of same.
PGP decrypt fixes and more sensible decrypted multipart handling
Better management of failed decryptions