Beginnings of multiple account support.
Fix global tag search.
Mostly working.
Rebase cleanup.
Account changes within list views happen immediately.
Removed most fragment -> base activity references.
Removed settings from FragmentBaseActivity.
Multiple accounts not supported on < v14.
Fix searching.

- Searching from within app should be context sensitive with respect to the account currently selected.
- Searching from the global quick search box should search all accounts.
Account specific small widget.
Fix search button on widgets.
Remove choose account menu option from several activities.
Tag shortcuts are now account specific.
Fix changing account after viewing bookmark list filtered by tag.
Cleanup.
Fix bookmark list on phone.
Fix username call in auto complete.
Add bookmark properly respects chosen account.
Update gitignore to ignore test project generated files.
Add configuration for account specific large widget.