Proto commits in Speek-App/Speek

These 5 commits are when the Protocol Buffers files have changed:

Commit:0f13536
Author:Speek-App

fix merge conflict

The documentation is generated from this commit.

Commit:16bb85b
Author:Speek-App

utilize multiple concurrent chunk transfers to speed up file transfers

The documentation is generated from this commit.

Commit:db355ae
Author:Speek-App

further cleanup of main.cpp / removed more unneeded files / improved group chat / implemented jazzicon and used as user icons in group chats / add contact hashes to group chat / fix #3 / add indication of number of currently active users in group chat / add group chat pinned message

Commit:39a7de1
Author:Speek-App

code cleanup

Commit:a35b477
Author:Speek-App

initial commit