Assorted minor fixes
Abstract tweaks
Merge pull request #100 from ayshih/ays

Assorted minor fixes
@Cadair's small changes
Merge pull request #101 from Cadair/master

@Cadair's small changes
jack's edits
small typo fix by david
Merge pull request #103 from ehsteve/master

Jack's edits
Update abstract.tex
Super minor edits