Update gem dependencies.
Merge branch 'master' of github:pione/pione into dev
Add a syntax check function for files of PIONE process document.
Use parslet 1.5.0.
Add abbreviated notation of parameters passing.
Merge branch 'master' of github:pione/pione into dev
Add model ticket.
Update parser for ticket.
Update transformer for ticket.
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev

Conflicts:
	example/Fib/Fib.pione
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev
Merge branch 'master' of github:pione/pione into dev
Add sequential processing function by the concept of ticket.
Add SequentialProcess.pione.