add the infraestructure for storing the negotiated contracts and performing the analy...

add the infraestructure for storing the negotiated contracts and performing the analysis through the analysis module. TODO: perform a test with those contracts to admit them. In the end the module implementation could be replaced by the cpu implementation.
Spare capacity is not done yet. Now we have to implement negotiation and cancel of contracts.

git-svn-id: http://www.frescor.org/private/svn/frescor/fna/trunk@1135 35b4ef3e-fd22-0410-ab77-dab3279adceb