Project Template for Project Creation

Hi,

this is a new PR for this one: https://github.com/gitlabhq/gitlabhq/pull/6127
It's now possible to create project-template and create projects from these templates.

Hope you like it ...

![001](https://cloud.githubusercontent.com/assets/3963057/3163504/66d617f4-eb40-11e3-8221-11e0b0004d24.png)
![002](https://cloud.githubusercontent.com/assets/3963057/3163505/66d6cea6-eb40-11e3-86de-c39027db3069.png)
![003](https://cloud.githubusercontent.com/assets/3963057/3163506/66d75da8-eb40-11e3-9256-987245892176.png)
![004](https://cloud.githubusercontent.com/assets/3963057/3163507/66d78d50-eb40-11e3-89d5-03a17a0d36b1.png)
![005](https://cloud.githubusercontent.com/assets/3963057/3163508/66d7dac6-eb40-11e3-9e64-f6fe35b65475.png)
![006](https://cloud.githubusercontent.com/assets/3963057/3163509/66d7ef98-eb40-11e3-9a4a-ec512b457901.png)
![007](https://cloud.githubusercontent.com/assets/3963057/3163510/66ea8298-eb40-11e3-85bd-9fb54100bad6.png)
![008](https://cloud.githubusercontent.com/assets/3963057/3163511/66eb38be-eb40-11e3-839a-19505747ed83.png)
![009](https://cloud.githubusercontent.com/assets/3963057/3163512/66ebf3c6-eb40-11e3-8c79-32558305f999.png)
![010](https://cloud.githubusercontent.com/assets/3963057/3163514/66ed2476-eb40-11e3-819f-156a1e038488.png)
![011](https://cloud.githubusercontent.com/assets/3963057/3163513/66ecdc5a-eb40-11e3-97cf-948788196ceb.png)
![012](https://cloud.githubusercontent.com/assets/3963057/3163515/66ee9a86-eb40-11e3-874f-fa3432394eab.png)