Add filter to allow override the cache widget id
Removed ununsed global variables in local scopes
Merge pull request #5638 from coenjacobs/code-cleanup

Removed unused global variables in local scopes
Merge pull request #5628 from tszming/fix-cached-widget

Add filter to allow override the cache widget id
This should be static
Fix address format in plain text email
Add  2.1.11 read me
Support storing transaction id in payment_complete method
Store PayPal transaction id through payment_complete method
Merge pull request #5651 from coenjacobs/transaction-id

Store transaction ID via payment_complete method
Merge remote-tracking branch 'upstream/master'