make dollar sign bold in lend page
fixes mixpanel version code in lend page
fix a/b test version code in loan profile page
new a/b test for homepage
show invite bonus alert only before new borrower registration form is submitted
edit copy in share form
update team page
new a/b test for homepage
Increase memory limit

Closes  #308
edit login prompt copy
Fix gift card preview

Closes #312
Remove paypal fee from amount uploaded in My Impact Page

Closes  #311
Fix funds uploaded

Closes #311
update links and copy in volunteer & team pages
add new a/b test for loan search page
small fix
Fix  "Undo Write Off" link on repayments page

See #299
fix sorting by total impact
Merge branch 'master' of https://github.com/Zidisha/zidisha
added amount and date to donation email copy