Add locale zh-HK (Traditional Chinese)

Fix malformed address

Add omitted lang

Updated Dutch translations

Add and translate missing German strings for user page

Fixed some spelling mistakes.

* Number up to 20 are written as words instead of digits.
* Nouns are written without spaces.
* Fixed mixups between informal/formal language.
* Removal of extra spaces in sentences.

sort tags in descending order by version number

Translate missing entries & add German translation to homepage

Dutch translations

Conflicts:
	conf/app.ini

Added some missing strings under the [action] category to german localization

Debian's "init.d" - Tentative to fix user's environment variables loading

Implies 2 running child, so the `stop` command usually needs a `KILL` instead of a `TERM` to close properly so I reduced it to 1 second to get quickly with the `KILL` signal.

Added "init.d" service script for Debian-based Linux.

Compatible with "/etc/default/gogs" configuration file for adding or overwriting values.
Based on "/etc/init.d/skeleton" and tested on Raspbian 2014-06-20 (Debian 7.5 [Wheezy] ARM)

[TO FIX] For some reason, it's necessary to remove the value of RUN_USER from the app.ini configuration file because the following error occurs:
2014/09/28 18:12:53 [setting.go:182 NewConfigContext()] [E] Expect user(git) but current user is: