Merge branch 'release/1.3.0' into 'develop'
Set version to 1.4.0-SNAPSHOT
Modify required compiler version
Comment requirement not compatible with Maven 3
Upgrade Jetty in POM
Downgrade Jetty in POM
Upgrade SSH wagon in POM
Add GWT elements in POM
Specify default WAR source directory in POM
Add GWT-Bootstrap dependency management in POM
Add dependency management for Bnd
Add dependency management for Apache HTTP Components in POM
Add dependency management for JGoodies packages in POM
Add plugin management for license plugin in POM
Add prerequisites in POM
Upgrade plugins in POM
Add plugin management for standard plugins in POM
Upgrade dependencies in POM
Remove local-deployment profile in POM
Remove distribution management in POM