v3.0.0 Official Echo Extras community release

Changes

07ef124 Prepare 3.0.0 release.
7c490ab Ommit Ant warning about antruntime.
61035e0 Merge branch 'feature/idea-project'
6f214a1 Maven deployment update.
85b4489 IDEA: Interactive Testapp runnable out of IDE.
decd838 Merge pull request #1 from bschmid/feature/idea-project
cf50529 Adjustments to IDEA project
e3524ca IntelliJ IDEA project files
3fb9861 Merge branch 'master' of github.com:echo3/echo3extras
8d8b111 Merge branch 'hotfix/ie9-calendarselect'
6066ad7 Align project and files to Maven-like naming style. Provide -sources.jar bundles.
192b438 Fix ant-task "release" due to missing empty dir.
ef46ed5 Configurable build properties via unversioned "custom-ant.properties".
2be79de Extras.CalendarSelect fixes for IE 9 Provided by ScoPi http://echo.nextapp.com/site/node/6715 This commit propably needs a review as stated in the m
bd02845 Bugfix: Activation of disposed tabs
d4b4f74 Merge pull request #3 from exxcellent/master
99ff4c0 Extras.DropDownMenu font rendering
fe84c1c Extras.DropDownMenu menuWidth property support Patch provided by ScoPi http://echo.nextapp.com/site/node/6713