Fixes for bootstrapping mopped with a <base> tag

The Require.getLocation() needs to take the base tag into account. See
https://github.com/montagejs/mr/pull/70.
Generic solution for the innerHTML IE issue

Stop using innerHTML to remove the contents of an element.
IE will modify the children instead of just removing them. In some cases
the children will be corrupted and we're not able to add them anymore
to the document.
Test case: http://jsfiddle.net/89X6F/
Fix an issue with the findNodeByContent function of the TreeController.

The optional comparison function was called just once because it was
not passed during the iteration.
Add better specs for findNodeByContent
Merge pull request #1444 from aadsm/fix-substitution-ie

Generic solution for the innerHTML IE issue
0.14.4
0.14.4 Release notes
Stop using NodeParent interface on DocumentFragments

Both IE and Safari do not implement this interface on DocumentFragments.
Fix flow selection management

By reversing the initial direction of a bidirectional binding between
the flow and the contained repetition's content controller.

Also, fix the spelling of frustum.
Add promise controller meta description
Rebase stylesheet urls in the template

We were only rebasing images urls.
With this change we no longer need to rebase url's when preloading or 
adding the stylesheet to the DocumentResources.
Add blueprint access to PromiseController

While we have other methods of accessing the blueprints, this is
handy for runtime access when you have the constructor.
Clearup some jshint warnings in promiseController

Housekeeping
Make flow selection work for single selection.
Add didShowOverlay and didHideOverlay

New delegate methods so that the overlay can have some classes added
as it is shown and hidden.
Add content parameter to RangeController
Merge pull request #1449 from francoisfrisch/flow-selection

Flow selection
Merge pull request #1451 from francoisfrisch/content-parameter

Add content parameter to RangeController
Add specs for Overlay draw delegate methods
Merge pull request #1450 from francoisfrisch/overlay-delegate

Add didShowOverlay and didHideOverlay