Closes issue 307
Changes the map.containsKey(key) ? map.get(key) : null; to just map.get(key); which is equivalent
Fixes #107
Closes #74. The regex code had been moved out of AbstractChannelImporter, but I checked for all instances of Matcher and RegexUtils.getRegexResult()
Changes the id of the parameter input box in the filter controls.
Merging qa with 2.1M2