Merge pull request #8 from cfoellmann/master

Typo corrected that killed the form + little security
We <3 Tabs
Cleanup __construct() an load textdomain on plugins_loaded
Better class variable name. Fixes #3
Fix code spacing
Add nonce to the settings page. Fixes #5
Remove todo for internationalization
Add basic pot file
Don't return false but return with the original link.