Removed retrival of macros and instead load all templates through ajax even on page load
Changed the following:

- Fixed hover style of icons and height of panel
- Modify javascript to load the template with ajax on load
Added default images for the default templates that ship with ATtopic, Folder and Collection
Updated History and documentation describing the 2.0 features
Changed the following:

- Separated documentation tips according to several categories
- Set first available template from context when disabling uberlisting
- Removed uberlisting template from Folder available view templates
  since it's added when Uberlisting View is enabled and on the content
  types that are registered for the IPossibleUberlistingView