Initial commit of the movers from the Buildings library.

This is for #56.
Changed media.

This is for #56, and is a work-around due to #53.
Corrected icon.

This is for #56.
Merged damper update from Buildings lib.

This is for #64. It merges the files in which the documentation was updated.
Merge branch 'issue61_dymola2015' into issue65_synchBuildings
Added additional Type declaration.

These are needed for heat exchangers in Buildings library.
Improved documentation.
Removed unrequired assignment of species concentration.
Added pressure drop.

This is needed for te model to also work with incompressible media, such as used in the Buildings library.
Merge pull request #62 from iea-annex60/issue61_dymola2015

Added dummy argument for Internal.solve

Example simulates correctly in Dymola 2014 FD01 - did not test in 2015 version.
Merge branch 'master' into issue65_synchBuildings
Removed import statements.
Removed import statements.
Merge pull request #64 from iea-annex60/issue64_damper

Merged damper update from Buildings library
Added tolerance 1e-6 to simulation command.
Added Radiators from Buildings library.
Added Radiators from Buildings library.
Added Radiators from Buildings library.
Updated reference results.
Merge pull request #57 from iea-annex60/issue56_movers

Issue56 movers