Added Turkish language files
Added swedish language support
Added German language files
Moved hard-coded text to language file (backend)

Hard-coded text from the backend (user- and group management) moved to
the language file (English and Dutch).
Updated Backend + System language support

Moved hard-coded text in "backend" and "system" to the language files
(English and Dutch). Affected pages: administrator management,
administrator group management, system updates, system settings, email
settings. Also made some strings more generic for general use (like
"Saving...." instead of "Saving administrator account...")
Updated CMS language support

Moved hard-coded text in "cms" to the language files (English and
Dutch). And some minor changes.
Merge pull request #85 from emir/master

Added Turkish language files
Merge pull request #96 from pariz/master

Swedish language files for backend, cms and system, as well as one typo if in an english language file
Merge pull request #111 from erJasp/master

Moved hard-coded text to language file (backend)
SQLite doesn't like this key name
Merge pull request #113 from marcus-herrmann/master

Added German language files
Add new keys to other languages (needs further translation)
Add custom SQL for SQLite
Minor styling fix
Merge branch 'master' of github.com:octobercms/october
Fixes #125
Swedish translations