Modified pom.xml to support update of Spring version:
 - updated spring.version property
 - removed separate spring-asm and cglib dependencies (already embedded in 3.2.x)

GCP-10175

 Reviewer : Aldrin Batac
Update XMLs so that XSD version refers to one in updated Spring

GCP-10175

Reviewer : Aldrin Batac
Cleanup : remove IDE related settings file from tracking
Add to gitignore IDE related settings file