Merge branch 'release/4.0.0' into development
+ Show update information in the component's control panel page
+ Allow the user to forcibly reload the update information from the component's control panel page
~ Show a warning in the subscription page when the Do Not Track (DNT) feature is enabled in the user's browser (it kills cookies, therefore kills Joomla! session handling) [patch wasn't applied in 4.0.0]
Fix refreshing of update information when component update info is cached in #__updates (thanks @jurianeven)
Updating repository to use Akeeba BuildFiles for project management
Close #27
Merge pull request #32 from akeeba/feature/27-copy-email-template

Close #27
# [LOW] Warnings thrown due to faulty price validation code
Check if an error is thrown in the plugin.

Also return false if a plugin returns false
Use JDispatcher to keep 2.5 compat
Merge pull request #33 from wilsonge/patch-1

Check if an error is thrown in the plugin.
Create special invoice tags for Cyprus requirements
Close #36
Merge pull request #37 from akeeba/feature/fix-paypal-refund

Close #36
+ Database table installation, uninstallation and update is now handled by our own code instead of the unreliable JInstaller code
Merge branch 'development' of github.com:akeeba/akeebasubs into development
Updating the update model
Added support for new F-zero-F signature
Big WHOOPS in the installation script
Enable better front-end page titles