Remove old version server checks

Add functionality to services in backend.

- Add functionallity to categorize a one or more services under one
  service group. Partial fix for #7 and #90. (Frontend code to be done)
- Add description field to service to be displayed as a help text
  on front page. Partial fix for #51 (Frontend code to be done)

Merge pull request #126 from Nothing4You/fix-head.php

fix head.php: comment wasn't part of of a php block

Merge pull request #123 from yigitkeremoktay/master

Version 2  - Migrate Settings to DB -- Add Telegram and Email Subscription Support

Fix #24 - fixed typo

Fix #6 - compatibility issues

Translations updated