changed smart double quotes to straight ones to avoid misencoding

redefined email types for various situations
email bodies changed
fixed #463

more changes to email settings
changed scan_date
reduced email types to 2 kinds
Add Tito Jankowski's how-to in survey info

Linking to Tito's How-To guide in the survey information that we have in
the step by step guide.
Merge pull request #498 from RNAer/tmp

barcode util changed
updating human AG query
Merge pull request #510 from douginator2000/otu

updating human AG query
Add link to module 1 results
Add PDF of module 1 results
Add link to prelim results on index.psp
Merge pull request #511 from adamrp/mod1_link

Mod1 link
updated next barcode procedure. Already deployed.
Merge pull request #512 from douginator2000/otu

updated next barcode procedure. Already deployed.
fixing study abstract output - cleaning characters
Merge branch 'master' of git://github.com/qiime/qiime_web_app into otu
Merge pull request #513 from douginator2000/otu

cleaning study_abstract value
fixing study abstract output - cleaning characters
Merge branch 'master' of git://github.com/qiime/qiime_web_app into otu
Merge pull request #514 from douginator2000/otu

fixing study abstract output - cleaning characters