Ignoring Eclipse and GGTS settings.
Rewrite to provide general operational overview and key functions.
Tweak broken link.
Add description of security issues with resources and files.
Monospace on some literals.
Fix up links and add security warning.
Ignoring Eclipse and GGTS settings.
Merge branch 'develop' of github.com:grails-plugins/grails-resources into develop
Corrected r:require example

The r:require example in section 4.1 requires multiple modules so it should use the 'modules' attribute rather than 'module'.
Correct package for Mapper.
Fix package for mixin.
Remove unneeded imports.
Add test of the ResourceMeta with this url.
Add module for testing url and integration test which demonstrates bug.
Add some Javadoc comments for help understanding.
Try to retrieve ResourceMeta first and only create if not absolute.
Add other elements to test ResourceMeta. Fix up ResourceProcessor mocks to provide getExistingResouceMeta method.
Rename method to state that is for links.
Remove assertion on argument, rename of method, and add _link to test ResourceMethod when testing links.
Reformat long line.