refs #5091, #6166
- fetch channel config via an internal function
- prevents channel config from being statically cached at runtime
- means that labs & other settings can be used to change these values
refs #5943, #5091
- split out channel config
- use config.theme instead of api calls to grab title & desc
- wrap rss call in a function which sets channel config for RSS feeds
- change rss `getData` function to use the new multiple-query-handling fetchData functionality
- make sure channelConfig is set in all tests
closes#5567
- Fixed an issue with protocol relative URLs in the RSS feed
- Such URLs should be kept as-is and not prefixed with baseUrl
- Added corresponding test to cover this case
refs #1833
- move RSS tests to be in rss_spec.js
- improve RSS test coverage
- fix a bug with RSS title generation for tag RSS feeds
- replace custom code in processUrls with urlJoin
