Merge pull request #85 from wafels/master

Two biggish changes: passing the ball
Edits to intro
Edits to section 2, data types
Edits to section 3, retrieval
Edits to the rest
Merge pull request #86 from ayshih/ays

Passing the football far too late
fixed albert's comment bug
fixed textit bug
fixed bug in robbrecht_automated_2009 ref
added m kirk to author list
small tweaks to intro
small edits, moved visualization section to front and desc of plot and peek
edits to map section
light edits to lightcurve
light edits to spectra
more lightish editing
edits to helio section
edits to helioviewer
edits to database section
added concluding summary