fmriqa 0.3.0

Improved method for calculating the object center of gravity for automated ROI placement.
Added method to calcuate the maximum background (MBG) signal.
Added an option (pix_dim) to override the image voxel dimensions.
Mean background image added to output.
Background TC plot added to output.

fmriqa 0.2.0

Added an argument for the polynomial detrending order and changed the default from 2 to 3.
Improved k-space spike detection plot limits for very stable data.
COG calculations are now performed on a thresholded image to reduce bias from inhomogenity.
Added coveralls checking.
Added a basic consistancy test.
Added an introduction vignette.