[auth] add captcha to prevent brute force attack
test history
oops
repo history
Merge pull request #1 from PeerJ/json-history

Json history
add file history
Merge pull request #2 from PeerJ/file-revisions

add file history
add file revert
Merge pull request #3 from PeerJ/revert-file

add file revert
add download dir
fix zip name
remove debug code
Merge pull request #4 from PeerJ/download-dir

Download dir
[v2] modification for enc repo create
add FileRevision
Merge pull request #5 from PeerJ/OldFileVersions

add FileRevision
share dir
Merge pull request #6 from PeerJ/DirShare

share dir
add share files and link
missign include