update target platform to include latest BPMN2 feature 0.7.0 and modeler 0.2.7
fix version of TP: since 4.1.3.Final is already released, bump to 4.1.4.Beta1
Merge pull request #112 from nickboldt/tychoversion_and_new_bpmn2

fix version of TP: since 4.1.3.Final is already released, bump to 4.1.4.Beta1 >> master