[kateproject] added
[cmake] added pthread (one should be more clever here!)
[cmake] require python 2.7
[gitignore]
[operators] removed unnecessary files
[all] added header for python bindings
[examples.stationarylinear] updated
[container.interfaces] added *_and_return_ptr() mehods for pybindgen
[pybindgen] updated core and la.container