KARAF-3353 Upgrade jandex in hibernate feature to avoid wrapping
[KARAF-3365] Fix typo in etc/org.ops4j.pax.url.mvn.cfg
[KARAF-3362] Align jetty feature version with pax-jetty one
[KARAF-3367]add additional configuration options when use wrapper:install
(cherry picked from commit 72595e366b0d5783ba857183b92e37846ae9b93a)

Conflicts:
	wrapper/src/main/java/org/apache/karaf/wrapper/commands/Install.java
[KARAF-3368] Support reference:file:xxx urls in startup.properties
[KARAF-3372]only register HUP signal handler for non-windows platform
Revert "[KARAF-2660] adjust javax.annotation-versions to reflect those in Java SE"

This reverts commit b11ed61ff9a06fc6e0480869184d0eca33ad1cce.
[KARAF-3290] Downgrade to felix gogo runtime 0.12.1 to fix the itests
[KARAF-3370] Fix transaction feature version in the itest
[KARAF-3380] Convert mojos to use annotations
Fix spring-web-portlet features
[KARAF-3381] Remove deprecated methods in InstanceService / Instance
[KARAF-3383] Avoid exception causing completion to fail if a completer class can not be loaded (because of an optional package for example).
[KARAF-3384] Commands are not unregistered correctly
[KARAF-3385] Fix multi-exception for JDK 7 so that stack traces are correctly displayed
[KARAF-3386] Improve InstallKarsMojo to support reference: protocol and additional feature repositories
[KARAF-3387] Add a verify-features goal to validate the feature with a real OSGi resolution
[KARAF-3387] Validate features using the new verify-features goal
[KARAF-3380] Restore compatibility with maven 3.0.x
[KARAF-3290] Upgrade to felix gogo runtime 0.14.0
It seems the integration tests are working well with it now.