removed undo/redo code snippet
removed microseconds from output
removed code snippets for set_cache_size
more prose than lists. explained the benefits and less the underlying code.
Merge branch 'master' of github.com:sunpy/sunpy-0.4-paper into database

Conflicts:
	3-5-Database.tex
Merge pull request #26 from derdon/database

database, 2nd draft
Merge pull request #27 from ehsteve/master

Added code example for wcs package and tidying up of text
added some comments as footnote and converted to British English spealling
Added dps affiliation and name
spellchecked now and changed the use of import for acquisition
Merge pull request #29 from dpshelio/dps_affiliation

DPS affiliation
Some edits to datatypes
Added bg for listing in main and map files, plus few typos fixed.  Also reorderd some sentence into s/c launch
added bg to listings and cut long sentence for better control of versions.  Fixed also references and British spelling
Spectra with bg colours and some minor corrections
added bg to listings in visualisation section
vso reference to section fixed
added bgcolor to vso examples
Merge pull request #31 from dpshelio/maps

Maps section - some corrections
Merge pull request #35 from dpshelio/vso

VSO