Creation of the Manhattan example

* Added simulators
* Added project
Fix Manhattan example

* Fixed colorscale colors format
* Reverted correct colorscale in kml observer test
* Added to examples tests
Removal of constraints on required variables at a previous time step

* Removed required PREVVAR from signature macros
* Updated consistency checking in Engine and ProjectChecker classes
* Updated information display for variables in OpenFLUID-Builder
* Removed deprecated pretestConsistency in Engine class
* Adapted tests

(closes #154)
Add Monitoring and Model tests
Revert ware params to a std::map internal structure

(closes #164)
Refactoring of Domain structure code

* Added const access to some Unit descriptor attributes

(references #165)
Refactoring of Domain Class InputData code

(references #165)
Fix of bugs with input data in AdvancedDomain descriptor

* Fixed wrong internal storage of input data value
* Fixed wrong input data list update when deleting a Unit
* Fixed forgetting to remove an InputDataDescriptor if became empty
Refactoring of Domain Class Events code

(references #165)
Renaming CMake and CMake generated variables

(references #166)
Renaming framework classe names

(references #166)
Renaming Simulator primitives and macros

(references #166)
Renaming content of framework classes

(references #166)
Renaming functions directories on disk

(references #166)
Renaming binary plugins suffix

(references #166)
Renaming fluidx <function> tag

(references #166)
Renaming builder class names and content

(references #166)
Renaming content of other classes + framework comments

(references #166)
Renaming names and content of tests, examples, buddies and market classes

(references #166)
Renaming Market enum type "FUNC"

(references #166)