add Distribution function
update coryright year
testing spatial function does not need to be combined with mesh nodes. make it simple
add tests for generating distributed nodal values
Split long lines.
added method to test if element is located on boundary
added const qualifier
Merge pull request #482 from rinkk/TestBoundaryElements

Test if mesh element on boundary
Merge pull request #32 from endJunction/add-gen-distribute

Add gen distribute
remove unused declare and headers
Merge pull request #454 from norihiro-w/add-gen-distribute

generate node value distribution from ISpatialFunction
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] Update test for ogs application.

Removing old files; Add current format project.
[A] Application reads project file in structures.

A new set of boundary conditions, fields, processes is provided.
[A] Replace local config read with ProjectData.
Added path to includes.