small changes to server contacting
Slight fixes
Plenty of changes to the testing system

Fixed XML writer and reader,
tweaked the table,
tweaked the way tests are handled,
added support for Vaadin TestBench
Refactored the table and engine choices
Merge branch 'master' of https://github.com/ahn/mideaas

Conflicts:
	mideaas-app/src/main/java/org/vaadin/mideaas/app/MideaasTest.java
	mideaas-app/src/main/java/org/vaadin/mideaas/model/XmlTestWriter.java
Merge branch 'tabletest'

Conflicts:
	mideaas-app/src/main/java/org/vaadin/mideaas/model/XmlRpcContact.java
Bugfixes after merge