Some cleaning
Some updates for the new(ish) groupchats
Added tox_unset_avatar
Minor change to README.md (https)
Fixes Reverp/Toxy#19
Merge branch 'master' of https://github.com/Impyy/SharpTox
Changed the way loading of Tox works

This commit contains API breaking changes.
Short summary:
- Load data into a ToxData object using ToxData.FromDisk or
ToxData.FromBytes
- Load data into a Tox instance using tox.Load
- Save Tox data using the Save method in a ToxData object
- Retrieve Tox data from an instance using tox.GetData

Why? Because implementing encryption in clients will be more elegant
this way.
Updated encryption stuff and replaced some methods with properties
Update README.md
Added a tox handle property
Merge branch 'master' of https://github.com/Impyy/SharpTox
Added a couple of new encryption related functions
Using EventHandler for events from now on
Added tox_group_peernumber_is_ours
Updated the example
Let's follow proper naming conventions

No public API changes.
I lied, GetHandle got replaced by a property called 'Handle' in ToxDns
Only register a callback when an events gets it's first subscription

Overcomplicating things is so much fun
Support building a portable version of SharpTox

Notice how a new .csproj was added for this.
Fixed the travis ci build configuration
Correctly handle multichannel audio