Adding a helper to log with tags.
Adding an extra check for compiled multimatches.
Minor fixes.
Adding a sub-project for interactive utilities, like a console
and colour maps and things for drawing graphics.
Don't search for libcuda.
Getting the interactive layer up and running.
Adding an interpolator and a lowercase string
helper. Updating the build system.
Don't build interactive without GLUT.
Bug fix and allowing randomising engines to be passed in to
generators.
Fixing conditional usage of glut related things.
Accidentally let this slip back in. Fixed again.
A few various little changes.
Adding routines to get binary execution
location and a couple of fixes.
Merge branch 'master' into use

Conflicts:
	SConstruct
	numerics/tests/SConscript
	site_scons/sconsconfig/packages/CUDA.py
	site_scons/sconsconfig/packages/HDF5.py
	site_scons/sconsconfig/packages/__init__.py
	site_scons/sconsconfig/packages/libhpc.py
	system/tests/SConscript
Cleaning up after merging from master.