Merge pull request #4 from juhanikataja/devel

Fixed bug in fem/src/modules/ArteryOutlet.src
Changes in compilation and small fixes

* ElmerGUI compiles with cmake
* Windows NSIS packaging for minimal ElmerGUI
* elmersolver compiles on OS/X (tests not tried)
* Fixed win32 issues on few tests
cmake script and cross platform module fixes

* Cross platform support for SHL_EXTENSION
* moved license texts around to prevent case-insensitivity issues in building
* other minor cmake/cpack script fixes
More fixes to cmakefiles

* WITH_MPI build installs mpi_stubs for ViewFactors and GebhardtFactors