BZ-990592: general infrastrcuture improvements in order to implement delete/copy/rename operations on project level directory
using parent war plugin version

Conflicts:
	pom.xml
BZ1038679: RepositoryEditor for newly created repositories not showing up
weld should be scoped per project, not global (using globally the test scope, the webapp can't be executed from cli using mvn gwt:run)
BZ-1037614: use authoring info instead of commit info
BZ-1039194: using proper entity name, intead of the character
BZ1039509: Auto detection of locale from client browser does not work for business-central
BZ-1034687: infra to support sized splash screens (what helps avoid worng position of modal screen during load)
BZ1040121 - Update icons used in Project Explorer
BZ1040137 - Help dialog 'don't show again' does not work always
BZ1040165 - To open a file in project explorer the file must not be selected (repository view, show as folders config)
upgrade errai version
Updating helix to 0.6.2-incubating because of HELIX-257
Updating versions-maven-plugin to 2.1
BZ1006506 - File name validation broken
BZ-1001561: normalizing ref tree names in order to have a only URI on notification events.