Display upload date of versions

This will only work for updates where this information has been stored,
starting some time around March/April 2014.
Allow module URLs to be opened in Xposed Installer

This handles http://repo.xposed.info/module/<pkgname> links and opens the
details for the module.

Fixes #92, original implementation by MohammadAG
Use CardsUI for support/source/repository links
Open repository link with the browser

See #92
Set exported/permission attributes in manifest

Fixes #131
Update French translation
Updated Japanese Translation
Updated Japanese translation

download_no_versions
Updating Russian
Updated Japanese translation to 47d3a5d
Updating Russian again

This commit includes both "Activate module from a notification action" and "Let the user know if test versions are available" merges.
German translation
Merge pull request #141 to translations branch

* PULL_HEAD:
  Update French translation