Merge pull request #66 from ChrisBoesch/master

Updates
Merge pull request #67 from ChrisBoesch/master

Updates
Merge pull request #68 from ChrisBoesch/master

Updates
Challenge Message Submission with an attachment
Merge pull request #188 from ShaikDawood/master

Challenge Message Submission with an attachment
Merge pull request #189 from LI-HE/master

small icons on address bar for all pages
Merge pull request #2 from ChrisBoesch/master

update