do not create multiple sessions

Hoping to see if this might fix the travis build issues; however, we should not
be creating multiple sessions as they are heavy weight. There should be really
be one per application.
Release 0.2.5
try to make travis build happy and add core api for fetching tenants
fix checkstyle error
Development 0.2.6-SNAPSHOT
add end point for fetching tenants
travis troubleshooting - output status of C* after failure
forgot back ticks
Merge pull request #76 from ppalaga/141204-tidy-pom

Apply canonical ordering in pom.xml files using tidy:pom, see
http://maven.apache.org/developers/conventions/code.html#POM_Code_Convention
Get more info from Travis when tests fail
Checkstyle plugin <includes> formatted
Cover *.js files by Checkstyle
Check further file types with Checkstyle
Cover *.md files by Checkstyle