fixes #2076 Windows provisioning template generation fails

fixes #2083 - DB migration fails with Postgres with bmc nics

updated readme for new year

fixes #2078 - Classes parameters value leak fix

added puppet location and organization parameters

fixes #1947 - wrong notice pressing the power on/off button for vmware hosts

• now using the real state from the server
• also made sure that we validate power on/off requests
• ensured our fog server objects respond to to_s and to state

fixes #1949 - VMware creation: vm's always get 768MB memory

I've removed the select box too, and would add a slider in a later commit

refs #1944 - minor leftover to avoid Object.id warning

fixes #1944 - Listing VMWare virtual machines under Computer resources is slow.

fixes #1814 - converts sp_* attributes into a BMC interface class

this patch also includes the following

• added a new interfaces table, and STI objects to represent a NIC, BMC, Managed
  and a bootable interface.
• refactored DHCP/DNS orchestation code, so they can work on the...