Improvements on components update after builder-extensions execution

* Added update call when builder-extension execution is completed
* Added builder-extension for testing spatial domain update

(references OpenFLUID/openfluid#218)
Modification of fluidx file format for spatial attributes

* Updated fluidx files tags 
* Cleaned code

(references OpenFLUID/openfluid#216)
Rename of inputdata into attributes for wares base classes and
signatures

* Renamed primitives
* Renamed signature declaration macros
* Updated tests and tests datasets

(references OpenFLUID/openfluid#216)
Rename of inputdata into attributes in API

* Updated names in API source code
* Updated names in applications source code according to the 
  new names used in API
* Updated tests and tests datasets

(references OpenFLUID/openfluid#216)
Rename of inputdata into attributes in applications (GUI, CLI)

* Updated names in applications source code
* Updated tests and tests datasets
* Cleaned code

(references OpenFLUID/openfluid#216)
Modification of opening message in CLI application

* Replaced "LISAH, Montpellier, France" by the OpenFLUID web site URL
Improvement of marketplace switching

* Cleared screen after marketplace deconnection

(references OpenFLUID/openfluid#221)
Add of error message for connection problems with marketplaces

* Added checks for catalogs or packages missing
* Displayed message dialog when no marketplace file or no catalogs with packages on repository
* Selected first combo box item after an error

(closes OpenFLUID/openfluid#221)
Creation of the packaging script for market

* Added script file
* Modified packages-src repository structure
* Added observer and dataset sources to tests packages
* Added observer installation case to the MarketSrcPackage process method
* Removed "packages" and "repository" directories from the tests
* Adapted market tests

(closes OpenFLUID/openfluid#174)
Fix of wrong test name

(references OpenFLUID/openfluid#166)
Add ability to set DateTime from a string and a string formatter
Refactoring of injection/interpolation tools and generators

* Added new tools
* Removed deprecated tools
* Updated existing tests
* Added new tests

(references OpenFLUID/openfluid#29)
Fix of Fortran simulator for tests
Add ability for fixed and random generators to run with own DeltaT

* Added deltat parameter to fixed and random generators
* Fix of generators consistency checking in OpenFLUID-Builder
* Updated tests
* Cleaned code

(closes OpenFLUID/openfluid#29)
(closes OpenFLUID/openfluid#161)
Switch to version 2.0.0~beta3

* Updated CHANGELOG and README files
Rename of BuilderUnit class into AdvancedUnitDescriptor
Update of KML observers for polygons filling

* Modified generated KML styles
* Allowed multiple use of same KML observer in monitoring
* Cleaned code

(closes OpenFLUID/openfluid#228)
Add current time index as available date format in CSV observer

* Updated observer and tests datasets

(closes OpenFLUID/openfluid#230)
Improvement of simulator signature parsing

* Created grammar class with parsing rules
* Added methods to store data parsed
* Updated simulator use with the new syntax

(closes OpenFLUID/openfluid#21)
Fix of pointer use for simulator signature parsing

* Fixed signature content pointer use
* Modified parser type
* Added display of parsed content line when there is an error