Reformatted file
Corrected comments.
Added missing comments and a warning if cable is undersized.
Revised example for BuildingsLoads

Added DC lines. Changed battery control.
Updated reference results.
Excluded userGuide directory from syntax checking.
Removed show_T=true as this introduces an event at zero flow rate.
Added deadband to avoid using the same value for the state transition as is used for the room control. This reduces state events.
Reformulated outlet properties to avoid an event at zero flow.
Removed integrators to reduce the number of state events.
Merge branch 'master' into zeroFlow
Merge branch 'zeroFlow' of https://github.com/lbl-srg/modelica-buildings into zeroFlow