Fix the reverted 15% indent on form submit buttons in canvas themes and base

Log in as the administrator. Navigate to [Navigation->My Home] Click 'Manage my private files' in the My private files block (Add the block if it is not present). [Test] The 'Save changes' and 'Cancel' buttons should be aligned with the other buttons and upload area of the form. Change the language to a right to left language. Select a course and either add an activity or edit an existing activity. [Test] The 'Save and return to course', 'Save and display', and 'Cancel' buttons should be aligned with the other elements on the page (drop down boxes etc.). Please test other forms and also different themes particularly 'nonzero' and 'binarius'. To add another language to your page Go to [Settings->Site administration->Language->Language packs] Select something like Hebrew (he) or Arabic (ar) Go to the home page and there should be a select menu for changing languages