* softwarestore/view/appview.py:
  - fix crash in on_iter_children() LP: #427630
* merged lp:~sil/software-store/run-uninstalled, many
  thanks to Stuart Langridge 
* merged lp:~sil/software-store/disable-install-button, many
  thanks to Stuart Langridge (this is cleaner than the previous
  way)
* merged lp:~rugby471/software-store/software-store-andrew, many
  thanks to Andrew Higginson
* softwarestore/db/update.py:
  - fix i18n reading from the app-install-data files
  - add X-Ubuntu-Gettext-Domain support
  - Don't crash if we cannot write to ./data/xapian, 
    print that we cannot write to the directory.
* softwarestore/view/appdetailsview.py
  - extend show_app() to take (appname, pkgname)
* softwarestore/view/appview.py:
  - ensure correct icons for overlapping application names
  - fix bug in the "only installed" filter (LP: #430838)
* softwarestore/view/widgets/imagedialog.py:
  - make the download fully threaded
* softwarestore/db/database.py:
  - cleanup and move common code here
* softwarestore/app.py:
  - fix crash when no pane is active (LP: #430912)
* utils/update-software-store:
  - fix crash when setlocale() fails (LP: #431099)
* softwarestore/view/appdetailsview.py:
  - shwo proper error message (LP: #431100)
* softwarestore/view/dialogs.py:
  - improve dialog handling by adding optional details
* po/POTFILES.in:
  - updated