Workflow save cancel

Workflow on save will cancel editing.
Workflow on cancel will now cancel editing.
<a href='#crh-start'></a><a href='#crh-data-%7B%22processed%22%3A%20%5B%22https%3A//github.com/EnoF/con-rest/pull/29%23issuecomment-66468842%22%2C%20%22https%3A//github.com/EnoF/con-rest/pull/29%23issuecomment-66472715%22%2C%20%22https%3A//github.com/EnoF/con-rest/pull/29%23issuecomment-66472878%22%2C%20%22https%3A//github.com/EnoF/con-rest/pull/29%23issuecomment-66473155%22%5D%2C%20%22comments%22%3A%20%7B%22General%20Comment%22%3A%20%7B%22html_url%22%3A%20%22https%3A//github.com/EnoF/con-rest/pull/29%23issuecomment-66468842%22%2C%20%22comments%22%3A%20%5B%7B%22body%22%3A%20%22Workflow%20is%20empty%20on%20click..%20so%20they%20cannot%20be%20edited%20anymore%22%2C%20%22created_at%22%3A%20%222014-12-10T15%3A31%3A58Z%22%2C%20%22user%22%3A%20%7B%22avatar_url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/8627051%3Fv%3D3%22%2C%20%22html_url%22%3A%20%22https%3A//github.com/TheBay0r%22%7D%7D%2C%20%7B%22body%22%3A%20%22empty%20workflow%20fixed%2C%20workflowRegistrator%20widget%20was%20also%20using%20the%20VM%20and%20the%20model%20was%20provided%20in%20the%20old%20way%20%3A%2B1%3A%20%22%2C%20%22created_at%22%3A%20%222014-12-10T15%3A53%3A33Z%22%2C%20%22user%22%3A%20%7B%22avatar_url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/1508400%3Fv%3D3%22%2C%20%22html_url%22%3A%20%22https%3A//github.com/EnoF%22%7D%7D%2C%20%7B%22body%22%3A%20%22%3A%2B1%3A%22%2C%20%22created_at%22%3A%20%222014-12-10T15%3A54%3A24Z%22%2C%20%22user%22%3A%20%7B%22avatar_url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/1508400%3Fv%3D3%22%2C%20%22html_url%22%3A%20%22https%3A//github.com/EnoF%22%7D%7D%2C%20%7B%22body%22%3A%20%22%3Ashipit%3A%22%2C%20%22created_at%22%3A%20%222014-12-10T15%3A55%3A53Z%22%2C%20%22user%22%3A%20%7B%22avatar_url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/8627051%3Fv%3D3%22%2C%20%22html_url%22%3A%20%22https%3A//github.com/TheBay0r%22%7D%7D%5D%2C%20%22title%22%3A%20%22General%20Comment%22%7D%7D%2C%20%22approved%22%3A%20%7B%22https%3A//github.com/TheBay0r%22%3A%20%7B%22avatar_url%22%3A%20%22https%3A//avatars.githubusercontent.com/u/8627051%3Fv%3D3%22%7D%7D%7D'></a>
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<img src='http://www.codereviewhub.com/site/github-approved-avatar.png'><a href='https://github.com/TheBay0r'><img src='https://avatars.githubusercontent.com/u/8627051?v=3' width=34 height=34></a>

- [x] <a href='#crh-comment-General Comment'></a> <img src='http://www.codereviewhub.com/site/github-completed.png' height=16 width=60>&nbsp;<b><a href='https://github.com/EnoF/con-rest/pull/29#issuecomment-66468842'>General Comment</a></b>
- <a href='https://github.com/TheBay0r'><img border=0 src='https://avatars.githubusercontent.com/u/8627051?v=3' height=16 width=16'></a> Workflow is empty on click.. so they cannot be edited anymore
- <a href='https://github.com/EnoF'><img border=0 src='https://avatars.githubusercontent.com/u/1508400?v=3' height=16 width=16'></a> empty workflow fixed, workflowRegistrator widget was also using the VM and the model was provided in the old way :+1:


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