Merge pull request #3 from rafacm/master

Add explicit camunda BPM platform version 7.0.0-alpha3 to the README
removed folder "diagrams", added german process model for roundtrip demo, simplified StartByUpload servlet
Merge branch 'master' of github.com:camunda/camunda-outer-space-demos
added signavio archive of process model (DE)
added in memory test case for process, introduced some proper packaging, removed warnings, changed namespace to "camunda"
Update README.md
fixed dependency-scope for engine, adjusted readme to emphasize that JSF is used.
fixed naming "camunda" instead of "fox"
migrated twitter to camunda BPM
renamed packages to camunda bpm standard
added drools version of twitter process