move rmzeropadding, feature matching doesn't work well yet.
Merge branch 'master' of https://github.com/openconnectome/alignment into feature_detection
remove testing condition for LP
debug peak detection
remove testing case
feature matching working
incorporate feature matching to alignment, change transform representation
rename feature matching function
clean up code, start extensive testing
debug feature matching
improve errormetrics, add global variables
debug global variable assignment
modify failure thresholds
Merge pull request #17 from openconnectome/feature_detection

Feature detection