using abs_path instead of readlink which doesn't work on mac
parameters with very basic types: int float and string
parameter description files removed
handle graph parameter values in execute function
simple tests with the 3 implemented parameter types
optimisation tests of source node loading a buffer
added simple ui for the editor
remove pyc files
basic ui work in progress
swig interface files for JIT and NodeDesc
re-enabled python bindings to develop the ui
Merge branch 'ui-tests' into param_tests

Conflicts:
	src/engine/ComputeEngine.cpp
	src/engine/ComputeEngine.h
swig interface file following new node and plug interface
minor changes for python bindings
compile with llvm 3.3