Merge pull request #159 from meganap/agut

Checking in changes for survey and other relevant pages
Merge branch 'master' of github.com:meganap/qiime_web_app into agut
Merge pull request #160 from meganap/agut

checking in more changes to survey
initial code for adding human survey values
Merge pull request #161 from douginator2000/agut

initial code for adding human survey values
Merge branch 'master' of github.com:meganap/qiime_web_app into agut
Checking in new icons