[A] Add missing STL header.
[A] Check if meshReader returned non-null ptr.
Merge branch 'SkeletonProjectData' into develop
First OGS simulation main program.
[A] Remove QtXml dependency.
[A] Include copyright and version info.
[A] Make project file argument unlabeled.

This is not an optional argument and the extra flag is not necessary.
Specify arguments help info.
[T] Add EmptyProject ctest for ogs executable.
[T] Replace AddTestWrapper with SimpleWrapper.
[A] Application reads project file in structures.

A new set of boundary conditions, fields, processes is provided.
[T] Update test for ogs application.

Removing old files; Add current format project.
Add mesh member var to Field and ctor.
[A] Replace simulationTypes.h with OGS classes.
Update Groundwater project file.
[A] Add initialization call for all processes.
[A] Add GlobalSetup types. LIS #if-else switch.
wip global_setup.
start adding projectData.
[AL] SerialExecutor,VecMatAsm update.New SimpleAsm

These are taken from the draft 2dGroundwater branch.
Update for moved files into the ProcessLib.