Add default parameters to constructor to indicate format name and mime
type.

…nd mimeType

According to PEP8, spaces are the preferred indentation method.
http://legacy.python.org/dev/peps/pep-0008/#tabs-or-spaces

Use tab everywhere.

…into dev_OuputFileCreateNameWithoutExtension

Conflicts:
	test/pyTest/testOffset.py

…xtension

OuputFile: can instanciate it without extension

…Channel

PixelProperties: add getMaxBitPerChannel

CMake: clean after checked integration with ffmbc