Added *args, *kwargs paramters to serve/get_context/get_template
This makes it easier to pass parameters from the route method down to get_context/get_template
Removed _blank from recently edited items screen
Adding basic documentation for the image_formats feature.
Merge branch 'get_context-args-kwargs' of https://github.com/kaedroho/wagtail into kaedroho-get_context-args-kwargs
Merge branch 'kaedroho-get_context-args-kwargs'
Merge pull request #287 from mope/more-unit-tests

Unit tests for wagtail admin chooser and embeds
Merge pull request #308 from takeflight/master

Removed _blank from recently edited items screen
margin causing problems in login screen solved
fix styling of preview button on create page when there are multiple preview modes
Merge pull request #310 from sixpearls/docs/image_formats

Adding basic documentation for the image_formats feature.