move id_strings to their own file
add is_custom_app_string function

- register app string patterns
- check against a regex
do not auto fill custom translations

and move get_translations into app_manager
added subtitle and place to signature, removed logo and 'branch name' column in beneficiary payment report
expand and hook up doc test for _format_to_regex
remove print statement
update commcare version on copy

including from exchanage
Fixed tests and added support for old snapshots
upgrade alembic and fluff
Merge pull request #3238 from dimagi/alembic

upgrade alembic and fluff
update fluff submodule
Removed first header-row in exported excel file.
Merge pull request #3239 from lwyszomi/bihar_export_quickfix

Removed first header-row in exported excel file.
update django to 1.5.6
fix tests that involve importing apps
Merge pull request #3241 from dimagi/django-1.5.6

update django to 1.5.6
Merge pull request #3225 from dimagi/id-strings

Filter out hq-generated strings from "Auto fill translations"
remove unused code

SortedDict wasn't even imported in this file, so this never could have worked.
Merge pull request #3243 from dimagi/dead-code

remove unused code
fix rebuildstaging merge output

was autostaging => foo, is now
origin/master => foo