new implementation for zone connectors:
- one bus connector per zone - wall/window
- the same connector for wall components and windows
- automatic connector sizing - no need to keep track of indices
- examples package added with 1 example
fixed InternalWall implementation
moved Tdes out of protected region in SimInfoManager to avoid warnings in zone
Merge pull request #71 from open-ideas/issue70_zonesConnector

issue70_zonesConnector for single connector on building component models -- not backwards compatible