Add initial insight docs
Added delete operations support to TemplateRestRepository.
Fixed indentation.
Made TemplateRestRepository more configurable.
Add insight screenshots
 #2567 #2258 upgrade to camel 2.14 and cxf 3.0.2
#2567 #2258 fix itests failures
Clean use of maven
  * put aether/maven in its own bundle
  * use it for agent and proxy
  * remove old modules (insight-maven, maven-util)
Delete deprecated fab
Abstract a bit more the use of the MavenResolver
Export the MavenResolver as a service, use it for the maven proxy, trim down a bit the dependencies of fabric-maven
Fix archetypes integration tests
Do not use local maven proxies
Use the new resolver from karaf 4.x
Fix failing tests caused by the resolver now managing bundle start levels
Improve bundle resolution
  * make sure the computed wiring is reused when actually resolving the bundles
  * refresh bundles if their wiring to not match the computed one
Reintroduce and fix the initial checksum computation for bundles
Move a few Strings helper methods to the correct location
Remove dependency between pax-logging-service and fabric-core via insight-log
Upgrade bndlib and pax-swissbox to latest releases
Fix Downloader#await() method