Add more suitable popup anchors fordeafult styles

Added a suitable anchor image for each default theme and created a
theme-specific popup file which can be included into the GeoExt-app.
set the classic theme anchor as default anchor
Popup-example loads the correct popup-CSS-file

The popup-example now loads the popup-CSS-file depending on the chosen
theme by the theme-switcher-combo. So the correct anchor is shown when
opening the popup in the example-app.
changing wms in examples, added new build for mvc app
Fix up more dependencies with @include and @requires
More changes to get a debug loader based on @requires and @include to work
Merge pull request #261 from bartvde/buildkit

Fix up more dependencies with @include and @requires
Add a common example CSS.
Use common example CSS in examples.
Remove inline CSS declarations where possible.
Merge pull request #262 from marcjansen/attribution-style

Add and use a common CSS-file for examples
Merge pull request #257 from chrismayer/more-popup-anchors

Merge More theme-specific popup anchors (r @bartvde & @marcjansen)
replacing wms capabilities
Merge pull request #260 from weskamm/wmschange

changing the wms in most examples