CAMEL-7216 - upgrade to xstream 1.4.7
CAMEL-7219: Fixed language component to be able to load resources from classpath.
CAMEL-7155 Fixed the issue of StringHelper
CAMEL-7221: Upgrade to Lucene 4.6.1
[CAMEL-7218] Changed activator class loading in PlatformHelper.
Switched bean-validator to PlatformHelper.
CAMEL-7222: Upgrade to SolrJ 4.6.0
CAMEL-7223: Avoid using hard-coded ports for the unit-tests
[CAMEL-7218] Added possibility to explictly specify class loader for OSGi checks.
[CAMEL-7218] Rolled back PlatformHelper usage on the behalf of the old OSGi detection code.