Updated spec, according to https://github.com/openETCS/toolchain/issues/274#issuecomment-34981947
Splashscreen image changes #222
Merge pull request #284 from jfaltermeier/master

#246 Changed launch configuration for 32bit; #268 Xtext 2.4.2
Lifecycle updated
Add data dictionary plugin

This commits move the data dictionary from https://github.com/astante/openetcs-datadictionary to the openetcs toolchain repository. The development will be continued on the toolchain repository.