only show Edit/Add button to account owner
Fix payday.sh

I've been making this change manually during payday for the past few
weeks.
Merge pull request #2730 from gratipay/fix-payday

fix payday.sh
Merge pull request #2726 from gratipay/fix-button-leak

Only show Edit/Add button to account owner
basic markdown support
added simple styling for markdown-output
Fixed JS updation on profile-edit page
use misaka's builtin linkification
Added link to Markdown syntax
added extra markdown options