Merge pull request #17 from jbudynk/master

Fix #3. Add NED text.
address #6 (code snippets)

code snippets are correctly styled, captioned, and labeled.
changed figures width
Merge remote-tracking branch 'origin/master'
fixed captions positioning for code listings
Merge pull request #19 from jbudynk/master

Fix issue #2. Add Specview text and references.
fix #20 and have figures span over both columns
fix #6 by consolidating code snippets and their captions
add abstract and fix #8
change few little things in abstract
remove explicit inventory of sherpa functions
adjust authors list
Fix #21. Add Iris's NED SED Service query type.