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
Moved Gui to Applications/DataExplorer.

- moved ProjectData.* to Applications/ApplicationsLib
- removed Vrpn folder in DataExplorer
Moved Utils to Applications/Utils.
Renamed DiagramView and StratView to QtDiagramView and QtStratView.
Renamed Data Explorer executable.
Fixed include.
Removed duplicated include line.

${CMAKE_CURRENT_BINARY_DIR}/../BaseLib is not necessary anymore.
Removed include dir in ApplicationsLib.
Merge pull request #479 from bilke/move-apps

Move executables to Applications folder
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