Clicking on new change layout icon needs to warn if navigating away without saving

[Robert Lyon]

Need to set page layout form as dirty when changing layouts by clicking on layout thumbnail instead of radio button.

To test:
1) Create page and go to 'Edit Layout' page
2) Change layout option by clicking a radio button of the new layout your want - try to navigate away - get prompted to save
3) Save
4) go to 'Edit Layout' page again
5) change layout option by clicking on the icon image of the new layout you want - try to navigate away - NO PROMPT but we should be prompted.

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/2891
Committed: http://gitorious.org/mahara/mahara/commit/ac96f0d961409dbe9bb52403142ce2690f37a8b4
Submitter: Robert Lyon (<email address hidden>)
Branch: master

commit ac96f0d961409dbe9bb52403142ce2690f37a8b4
Author: Mike Kelly <email address hidden>
Date: Wed Jan 8 16:38:43 2014 +0000

Set layout form as dirty when changing layouts via icon (bug #1267240)

by clicking on layout thumbnail instead of radio button

Change-Id: I58f723f47ff71f4e4d3dbfda7c5ad1e39372e916
Signed-off-by: Mike Kelly <email address hidden>

[Mahara Bot (dev-mahara)]

Patch for "1.8_STABLE" branch: https://reviews.mahara.org/3078

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/3078
Committed: http://gitorious.org/mahara/mahara/commit/5da93b1deec85eaa8a5d0125091d712e96386488
Submitter: Aaron Wells (<email address hidden>)
Branch: 1.8_STABLE

commit 5da93b1deec85eaa8a5d0125091d712e96386488
Author: Mike Kelly <email address hidden>
Date: Wed Jan 8 16:38:43 2014 +0000

Set layout form as dirty when changing layouts via icon (bug #1267240)

by clicking on layout thumbnail instead of radio button

Change-Id: I58f723f47ff71f4e4d3dbfda7c5ad1e39372e916
Signed-off-by: Mike Kelly <email address hidden>