Initial document for coding naming conventions
added git referrences and openERP dev setup documents
refs #453 - 1. Added branch_id with default to branch.
            2. Auto generated doc_number
            3. Save is not working due to no. 1 have a default value
(will work if does not have default value).
Merge remote-tracking branch 'origin/docs'
Merge branch 'master' of git@github.com:RonBe/loan.git