fix bug-1988
Script event handler implementation (+ small in/out variables)
Script event handler + in/out variables
add some files for act-2013
fix act-2013
Moved image generator to its own module + visual changes
Merge branch 'act-2013' of https://github.com/smirzai/Activiti
small changes to pull request 291
Merge pull request #290 from gro-mar/activiti-crystalball

[activiti-crystalball] Script event handler + in/out variables
Merge branch 'act-1988' of https://github.com/smirzai/Activiti
Fix imports
ACT-1988 patch
simple workflow changes
Merge branch 'master' of https://github.com/Activiti/Activiti
Merge remote-tracking branch 'remote/master'