Remove trailing whitespace in .php files
Remove trailing whitespace in .js files
Remove trailing whitespace in .css files
Merge https://github.com/Opentronix/Opentronix

Stay up-to-date with upstream.
Typos
Remove leading tabs.
Remove leading tabs.
Remove leading tabs.
Remove leading tabs.
A new config variable for captchas.

This is a new word in the table 'settings'. The word is 'CAPTCHA'. It's value
is 0 (zero) or 1 (one).

It can be used to switch on and off the use of captchas. Note that the default
is to use captchas.
Remove a leading tab.
Merge pull request #9 from eliasdiem/master

Mainly cleanup