Adding the 'browser' configuration option.

This addition makes possible to choose wheter the browser should be automatically opened or not when Darblast is launched.

The option defaults to true.
First draft of the new frames configuration panel.
Changing the layout (so it's more similar to the "Positioning" one).
Fixing a wrong URL.
Adding a more complete version of the dialog toolbar.
Populating the dataview, removing unnecessary stuff.
Using getFrameId() instead of recalculating indices.
First draft of the new frames configuration panel.
Changing the layout (so it's more similar to the "Positioning" one).
Fixing a wrong URL.
Adding a more complete version of the dialog toolbar.
Populating the dataview, removing unnecessary stuff.
Using getFrameId() instead of recalculating indices.
Ext.define needs to be done only once.
Merge branch '130423-frames-configuration' of github.com:canvace/darblast into 130423-frames-configuration

Conflicts:
	src/static/TileControls.js
Using a dataview makes it unnecessary to have a separate label for frame indices.
Making it possible to remove frames from a tile.
Making it possible to change the frame duration.
Using a table layout for the left side of the panel.
Merge branch 'master' into 130423-frames-configuration