Added 'user_update' event on user rewrite

Closes #414
Handling empty contacts/phonebook

Closes #409
Fixed wide gif images

Closes #376
Fixed authorizer bad network handling

Closes #415
Improved errors in mtproto
Added curPeerId check for notifications on mobile

Closes #270
Merge branch 'master' of https://github.com/zhukov/webogram into mod
update translations
Fixed authorizer
Merge branch 'master' of https://github.com/zhukov/webogram into mod
Support for international characters on hashtags

Non exaustive list of accented characters taken from [Twitter text handling libraries][1]

[1]: https://github.com/twitter/twitter-text-java/blob/431b6ad44158c4a4a38d80d34df5b101ae2559fc/src/com/twitter/Regex.java
Fix Firefox OS detection. Fix #435
Adds a Dockerfile

This Dockerfile can be used for building a Docker image of Webogram that
launches a container with Node listening on port 8000.

This image uses the official nginx image as its base.
Updated DC5 ip
Merge branch 'pr/436'
Support for 3-letter hashtags
Fixed semicolon for hashtags
Merge branch 'pr/426'
Merge pull request #438 from tazjin/docker

Adds a Dockerfile
Merge branch 'master' of https://github.com/zhukov/webogram