give a value the Modulation_internal to avoid the error when avoidEvents = false + add scaling factor to the internal mass of HP and to its m_flow_nominal. This is necessary to linearly scale the pressure losses with the scaling factor.
add an on/off switch to Pump.mo
Updated IDEAS to Annex60 commit 60eca5a1480c2abf17d49b2bb9315e2c3e186340
accepted new unit test result due to changed implementation
max relative error was 5e-5
Merge pull request #175 from open-ideas/issue167_back2oldboiler

Issue167 back2oldboiler
Merge pull request #174 from open-ideas/annex60Merge

Annex60 merge update
corrected bad Annex60 merge
moved simInfoManager from stateWallNoSol to extending classes where needed
Merge pull request #180 from open-ideas/issue178_simInStateWallNoSol

Issue 178: moving simInfoManager from partial
fixed mFactor implementation in ConservationEquation
Merge pull request #182 from open-ideas/issue181_mFactorBug

fixed mFactor implementation in ConservationEquation
added OverhangAndScreen shading type
Merge pull request #184 from open-ideas/issue183_overhangAndScreen

added OverhangAndScreen shading type
correct unit of riseTime in PartialHeatPump.mo, remove avoidEvents from example HeatPump_BrineWater.mo and update example HeatPump_Events.mo
remove the '''translate''' from unittest of Boilers and heat pump and update unit test of HeatPump_BrineWater.mos
Merge pull request #160 from open-ideas/issue78_scalingHeatPump

correct scaling of heat pump and error caused by avoidEvent.
Merge branch 'issue47_AllowMoreEvents' of https://github.com/saroele/IDEAS into Annex60

Conflicts:
	IDEAS/Media/Air.mo
replace the Hyst_Var_Cooling.mo and _Heating by a general hysteresis valid for both cases and with conditional inputs.
add unit test for HysteresisRelease_Cooling.mos and _Heating
add filter for on/off signal