Update erlcloud to 0.9.1
Merge pull request #29 from okeuday/update-erlcloud-0.9.1

Update erlcloud to 0.9.1
Update hackney to 0.15.0
Merge pull request #30 from MSch/hackney-0.15.0

Update hackney to 0.15.0
Update hackney to 0.15.2
Merge pull request #31 from MSch/hackney-0.15.2

Update hackney to 0.15.2
Add ssl_verify_hostname. Necessary for hackney.
Merge pull request #32 from MSch/ssl_verify_hostname-1.0.0

Add ssl_verify_hostname.
Update hackney to 1.0.1
Merge pull request #33 from MSch/hackney-1.0.1

Update hackney to 1.0.1
Update hackney to 1.0.2
Merge pull request #34 from MSch/hackney-1.0.2

Update hackney to 1.0.2