Adds Twitter username from settings to template
Replaces substr with ltrim
Updates changelog
Adds Twitter to backend settings
Fixes indentation
Don't rewrite existing functionality.

The difference between errors in debug mode and non-debug mode is
allready handled. We don't need to rewrite this ourselves in the tags
function.
Merge pull request #832 from forkcms/bugfix-tags-error-handling

Don't rewrite existing functionality.
Don't sort on keys, as we want the given sequence to be respected.

Will fix https://github.com/forkcms/forkcms/issues/828
Updated changelog
Update returns number of updated rows, which will be always 1 in our case
Use the correct id

Will fix #798
Updated changelog
Removed locale
Removed styling
Don't use the feedburner-setting anymore
Remove the feedburner-field from the settings page
Don't set a default value for the feedburner setting
Remove the helpmessage
Updated changelog
Merge branch 'feature-twitter-name-forkcms' of github.com:jonasdekeukelaere/forkcms into jonasdekeukelaere-feature-twitter-name-forkcms

Conflicts:
	CHANGELOG.md