Consolidated changes for 0.3.2 release.
Temporarily removed 'On & Off' option for Scrubbing.
Merge pull request #266 from FCP-INDI/0.3.2_release

0.3.2 release
Create config_parameters.txt

Used to check for missing elements in old pipeline config.yml files.
Update utils.py
Merge pull request #267 from FCP-INDI/0.3.2_release

Removed potential error while trying to read average_snr_file.txt.
Removed potential error while trying to read average_snr_file.txt.
Updated developer documentation - no functionality changed.
Updated version number to 0.3.2.1 to reflect fixes to QC.
Merge branch 'master' of https://github.com/FCP-INDI/C-PAC
Merge branch 'master' of https://github.com/FCP-INDI/C-PAC into cwas

Signed-off-by: Zarrar Shehzad <czarrar@gmail.com>

Conflicts:
	CPAC/GUI/interface/utils/constants.py
	CPAC/GUI/interface/windows/config_window.py
	CPAC/__init__.py
	CPAC/pipeline/cpac_pipeline.py
	CPAC/registration/registration.py
More merging

Signed-off-by: Zarrar Shehzad <czarrar@gmail.com>