fixed typo in noframes header

Correct header name is X-Frame-Options not X-Frames-Options as stated in [the docs](https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options)
fixed JModelForm::checkin()

Fixing issue described in [bug #30700](http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=30700), related to notices for unset properties of the $table object in JModelForm (libraries/legacy/model/form.php)
[#30929] fix JHtmlQuery::suggested()

Fixing issue described in [bug #30929](http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_id=8103&tracker_item_id=30929), related a case sensitive alternative search terms creation (components/com_finder/helpers/html/query.php)
Update unit test for JForm
Fixed dropdownlist generating extra </div> tag

The JHtmlActionsDropdown::render method creates a stray end div tag.
That causes dom/html issues.
This PR fixes that.
Fix error in LanguageManager0001Test
Merge pull request #3395 from dextercowley/test-fixes-20140330

Fix error in LanguageManager0001Test
Merge pull request #3388 from nonumber/patch-5

Fixed dropdownlist generating extra </div> tag
[imp] [30941] Adding Proxy support to Joomla. Closes #3057
Merge pull request #3309 from wilsonge/formtest

Update unit test for JForm
Merge pull request #3265 from itbra/patch-9

[#30929] fix JHtmlQuery::suggested()
Merge pull request #3262 from itbra/patch-7

[#30700] fix JModelForm::checkin()
Merge pull request #3261 from itbra/patch-6

[#30790] fix JHtmlBehavior::noframes()