SWITCHYARD-2425 update to Karaf 2.4 and Camel 2.14
upgrade mvel version to 2.2.2.Final
Merge pull request #131 from rcernich/SWITCHYARD-2425

SWITCHYARD-2425 update to Karaf 2.4 and Camel 2.14
Merge pull request #132 from mbiarnes/mvel_2.2.2.Final

upgrade mvel version to 2.2.2.Final