- fix some small bugs
- add function to estimate the frequency-correlation value
- changes according to the discussion
- a new method in jumeg_utils to identify which system was used for the
recordings
- :)
Merge pull request #52 from jdammers/master_bug_fixes

Add function to calculate frequency corrlation value. 
Change plot_performance artifact rejection labels. 
Change string split method to rfind. 
Add function to ientify the system type. 

Merging.