Merge pull request #17 from asadowski10/master

Email Options
allow redirect_to from _GET
add fill_by_meta method
fix MPT_Options classe for manage all options, use new method, try to cleanup code
add ajax hooks
fix notices, test ajax constant
fix notices, put default value
fix typo
improve MPT ajax callback, inspiration from WP
fix case with multiples recipients
fix typo
check for wp error for lost password feature
fix typo
Merge pull request #2 from herewithme/master

Merge from original git