Improved html templates for mobile devices (responsive).

Fixed #995 (Use responsive navbar for main menu in backend template)
Motion CSV Import: Create new category if category is unkown.
Merge pull request #1296 from emanuelschuetze/motion-category-import

Motion CSV Import: Create new category if category is unkown.
Added README.txt for plugin dir in portable version.
Merge pull request #1302 from emanuelschuetze/portable-plugin-reamde

Added README.txt for plugin dir in portable version.
Merge pull request #1298 from emanuelschuetze/fix-995

Improved html templates for mobile devices (responsive).
bind the reload of the webserver on the debug settings

fix #1163
Enabled reload always when DEBUG==True.
Updated translations (from transifex).
Changed motion title appearance. Fixed #1148.
Merge pull request #1303 from normanjaeckel/BindReload

Fixed reload of tornado webserver.
Merge pull request #1304 from emanuelschuetze/translations

Updated translations (from transifex).
Merge pull request #1301 from normanjaeckel/MotionTitle

Changed motion title behavior.
Prepared for release.

Small style changes, CHANGELOG and README.rst update.
Merge pull request #1305 from normanjaeckel/Prepare_Release_1.6b2

Prepared for release.
Release 1.6b2
Update version to 1.6c1-dev
Merge pull request #1306 from normanjaeckel/Release_1.6b2

Release 1.6b2
Updated EN translation file for transifex

String freeze for 1.6.
Fixed motion title in motion list view (#1148).