JCloud ProfitBricks provider implementation

Hi! This implements most of ProfitBrick's API. I look forward for your comments, suggestions, and revisions.
I'm not sure if this answers your question but, in PB the possible "locations" are only NORTH_AMERICA, EUROPE - which in this case the value of <code>i.getRegion()</code>. The requirement is that, an image is only usable if it has the same region as the Virtual Data Center.