removed namespaceresolver (is handled by composer plugin now)

refactored DialogUtils for latest composer changes
cleanup
replaced dependency
updated pom
dependency cleanup
fixed build
fixed installer after composer refactoring
restricted menuContribution visibility to symfony projects
added facet support, removed symfony 2.0, added 2.1.9 and 2.2.0
adopted project wizard to new composer buildpath handling
version bump
moved annotation to doctrine