Add CLI Options #19

[cnwilkin]

Adding additional parameters

• [x] build.config location
• [x] host
• [x] port
• [x] .repositories path
• [x] .ravendb path
• [x] Raven connection string if you don't want to use local, embedded Raven

[cnwilkin]

This is ready for review

[half-ogre]

Great stuff @cnwilkin! There's one minor style thing I'd like to see fixed before this is merged.

[cnwilkin]

No problem got them put in.

[half-ogre]