Merge pull request #54 from UsabilityDynamics/master

Master
Simple fix
Fixed JavaScript json parsing.
API KEY UI has been temporary commented out.
Dashboard Widgets fix
Option - whether or not to send passwords to new users.
Automated commit.
Merge branch 'development' of https://github.com/UsabilityDynamics/wp-invoice into development
Fix to localized file params of Premium Feature files.
Merge branch 'development' of github.com:UsabilityDynamics/wp-invoice into development
Added compatibility mode control / Localization files updated
Simple fix to css
3.8 padding fix
Line items re-ordering
Change name of the option from Send invoice to Payment date
Make possible to send notifications when status of invoice is complete
interkassa has been updated
Locale update
clean up
css fix