Fix of run dialog in OpenFLUID-Builder

* Forced to 100% when simulation is completed
Update of the CHANGELOG file for 2.0.0 version
Replacement of deprecated "function" term by the "simulator" term

* Updated buddies and associated resources
* Update CMake helpers
* Updated tests

(references OpenFLUID/openfluid#166)
Fix of RPM package and Ubuntu DEB package dependencies to GEOS library

(references OpenFLUID/openfluid#69)
Fix of file(s) closing in csv and GNUplot observers
Remove of deprecated "function" term in OpenFLUID-Market GUI

(references OpenFLUID/openfluid#166)
Switch to version 2.0.0~beta2
Add of generic type for associating units IDs to data/values (IDMap)

(closes OpenFLUID/openfluid#220)
Improvement of robustness of observers

* Added test of ware parameters 
* Raised exceptions with understandable messages
* Cleaned code

(closes OpenFLUID/openfluid#212)
Improvements on builder-extensions execution management

* Added handling of exceptions thrown by builder-extensions
* Added emission of update signal when builder-extension execution
  is completed
* Added builder-extension for testing exception handling  

(closes OpenFLUID/openfluid#204)
(references OpenFLUID/openfluid#218)