[~] Addons with 'free' addon plan were disabled after purchase. Fixed.
[~] Some recurring orders were not attached to the addon license. Fixed.
[~] Some fixes were made after rebasing dev branch.
[~] Upgrade of an addon was broken. Fixed.
Merge branch 'merge_twigmo_100001321' into dev

* merge_twigmo_100001321: (81 commits)
  [~] Upgrade of an addon was broken. Fixed.
  [~] Some fixes were made after rebasing dev branch.
  [~] Some recurring orders were not attached to the addon license. Fixed.
  [~] Addons with 'free' addon plan were disabled after purchase. Fixed.
  [~] Only payment method Plimus is now available for customer if there is an auto-recurring charge based product in the cart.
  [~] When a customer was redirected back to the site after making a purchase at plimus, the cart was not cleared. Fixed.
  [~] Placement of an order which contains an addon for the license, for which domain the same addon was already issuedis now prevented.
  [~] At checkout a customer had to select a payment method for free products. Fixed.
  [~] Addon subscription wasn't rerminated properly when the order status was changed to 'Open', 'Refunded' etc. Fixed
  [~] Prices of the recurring orders are now set based on the Plimus IPN variables.
  [~] Langvars were updated.
  [~] Ability to upgrade addon via customer account on plimus was added.
  [~] Unfinished changes.
  [~] Notifications of expiring license addons are now sent only if the addon has a 'manual recurring' charge type.
  [~] Ability to upgrade/downgrade license addons with 'auto recurring' charge type is now disabled (except for the upgrade from free plan).
  [~] Plimus gateway was updated to handle notifications of subscription trial period. [~] Usability increased.
  [~] Ability to purchase auto-recurring charge based addon with trial period was added.
  [~] Typo was fixed.
  [~] Ability to specify different plimus contracts for different addon plans was added.
  [~] Only addons with 'recurring auto' charge type are now prolongated immediately after first purchase (not after manual activation).
  ...
[~] Plimus: php notices were displayed on checkout. Fixed.
[~] Obsolete field name was used. Fixed.
[~] Typo was fixed.
[~] Typo was fixed.
[~] Redundant code was removed.
Merge branch 'dev'

* dev: (86 commits)
  [~] Redundant code was removed.
  [~] Typo was fixed.
  [~] Typo was fixed.
  [~] Obsolete field name was used. Fixed.
  [~] Plimus: php notices were displayed on checkout. Fixed.
  [~] Upgrade of an addon was broken. Fixed.
  [~] Some fixes were made after rebasing dev branch.
  [~] Some recurring orders were not attached to the addon license. Fixed.
  [~] Addons with 'free' addon plan were disabled after purchase. Fixed.
  [~] Only payment method Plimus is now available for customer if there is an auto-recurring charge based product in the cart.
  [~] When a customer was redirected back to the site after making a purchase at plimus, the cart was not cleared. Fixed.
  [~] Placement of an order which contains an addon for the license, for which domain the same addon was already issuedis now prevented.
  [~] At checkout a customer had to select a payment method for free products. Fixed.
  [~] Addon subscription wasn't rerminated properly when the order status was changed to 'Open', 'Refunded' etc. Fixed
  [~] Prices of the recurring orders are now set based on the Plimus IPN variables.
  [~] Langvars were updated.
  [~] Ability to upgrade addon via customer account on plimus was added.
  [~] Unfinished changes.
  [~] Notifications of expiring license addons are now sent only if the addon has a 'manual recurring' charge type.
  [~] Ability to upgrade/downgrade license addons with 'auto recurring' charge type is now disabled (except for the upgrade from free plan).
  ...
[~] 'Activate addon' link was broken. Fixed.
Merge branch 'dev'

* dev:
  [~] 'Activate addon' link was broken. Fixed.
[~] Design of 'extra' links on license list pages was improved in admin and customer areas.
[~] Ability to purchase a prolongation for a license updates was broken. Fixed.
Merge branch 'dev'

* dev:
  [~] Ability to purchase a prolongation for a license updates was broken. Fixed.
  [~] Design of 'extra' links on license list pages was improved in admin and customer areas.
[+] Hooks base: Comparer was improved.
[+] Hooks base: search was improved.
Merge branch 'dev'

* dev:
  [+] Hooks base: search was improved.
  [+] Hooks base: Comparer was improved.
Merge branch 'sales_reports' into dev.