change the default report export format to excel 2007
add to .gitignore
put projects back in WebUser
Merge pull request #428 from dimagi/ex-fix

put projects back in WebUser
apply same workflow as rows to charts
Merge pull request #429 from dimagi/chart_render

don't render charts until required
Merge pull request #427 from dimagi/gitignore

add to .gitignore
Merge pull request #421 from dimagi/cz

change the default report export format to excel 2007
Merge branch 'master' into staging2