Update index.html

Make the login button take all the block space horizontally
Merge pull request #8 from mattbrun/patch-1

Update index.html
Move unfetch to callback
Merge pull request #9 from balek/patch-2

Move unfetch to callback
Merge pull request #10 from mattbrun/master

Allow URLs white list
0.2.2
Merge pull request #11 from mattbrun/master

Block-size forms button
new implementation
0.3.0
migration from 0.2
Corrected user retrieving query in userExists()