sorted file list; jp2s should be in alphanumeric order, and more importantly, time-ordered.
added a fix so that flares positioned using arcseconds are converted to degrees
fiddling about to get a detection
added a function to convert a list of maps to a single numpy array, which is much more useful.  In fact, the need for this function shows the need for a re-design of Map and MapCube.:
headers don't surve pickling.  I am sad.
what next?
Merge pull request #29 from aringlis/master

Added persistence map module to eitwaveutils
fixed conflicts, now pull request
Merge pull request #32 from wafels/master

Updated functionality
changes to eit wave plotting routines. Velocity polyfit is now second order and takes the time information from the unravelled maps in order to make the calculations. Added a width_vs_longitude plotting function to show the width of the wavefront along its length at a given time.