NIFI-182:
- Updating to accommodate for new format in generated documentation.
Merge branch 'develop' into NIFI-182
NIFI-182:
- Embedding REST docs in the Help section.
Merge branch 'develop' into NIFI-182
NIFI-182:
- Updating styles to better match the rest of the documentation.
NIFI-182:
- Making the documentation in the help section for cohesive.
NIFI-182:
- Making the documentation in the help section for cohesive.
NIFI-182:
- No longer logging the REST API documentation URL.
NIFI-182:
- Updating headers.
- Fixing filtering logic.
NIFI-182:
- Adjusting color of text in tables.
WARNING on mvn install in nar-maven-plugin

Signed-off-by: joewitt <joewitt@apache.org>
Merge remote-tracking branch 'origin/develop' into develop
[NIFI-194] get mvn clean package working correctly
 - Removed phase definition for maven-source-plugin
 - Changed goal to jar-no-fork to prevent life cylcle forking
 - Removed version ranges.
[NIFI-195] Take advantage of inheritance from ASF parent version 16
Merge branch 'NIFI-194' of https://github.com/khmarbaise/incubator-nifi into develop
Merge branch 'NIFI-195' of https://github.com/khmarbaise/incubator-nifi into develop