This will allow users to send invitations to other people via email.
Each account will still need to confirm the email address if the option
is enabled.
Addresses #330, will need to allow pool operators to enable this feature
even with registrations turned off.
* Adding mail verification during account registration
* Added new dist file option for mail verification
* Added account confirmation page using tokens
* Added mail class into user class for password resets
* Moved password reset template
* Adjusted account registration page
* Adjusted user class for email confirmation
Also fixed a bug with smarty_cache_key not being used properly if smarty
is disabled. Key still needs to be available even if caching is disabled
Addresses #330 and prepare the ticket for invitation only system.
* Added mail template for manual payouts
* Added code to account page to notify via mail on payout
* Added new option to notification setting template
Adds another feature to #144
* Modified findblocks cron
* Modified notifications cron for new structure
* Improved notification class
* Added new template for new_block type
* Moved idle_worker type template
* Added new_block type to notification settings
* Added things to mail templates
* Modified user password reset call for new mail template
* Added BASEPATH to smarty code to ensure templates are compiled in the
proper directory
* Updated mail and notification class
* Updated notification cron
* Added notification cron to run-cron list
* Added main mail class
* notification class extends mail class
* Added mail template for IDLE workers
* Added notification table to SQL structure
This works already but once notified the status is not reset as soon as
a worker is active again. Need to think of a system to do that
automatically.
Addresses #116
