create titled issues with :Acreate title of issue

You can supply the title of your issue by simply
adding it as paramters to the :Acreate command:

    :Acreate title of my issue
Merge branch 'master' of github.com:realtimeprojects/vim-tessera

Conflicts:
	vimtessera.py
Basic syntax highlighting for tessera files.
removed "nomodified" error when reopening tessera list.
Check tessera file for changes before closing.