Merge pull request #78 from redwire/master

Implemented a faster algorithm for generating nonces
Made a cmake project for Core
Fixed missed version and policy
moved saving to nTox.c
Excluded tests that are not currently supported on building platform
Updated .travis.yml to build all targets
Updated INSTALL.md
added data file to gitignore
Fixed tabulation
Fixed comments
Merge pull request #83 from ollieh/savingloadingfiles

Saving messenger state in nTox
Merge pull request #84 from nurupo/master

Improved build system
Fixed warnings.
Adds the option 'nokey' to disable loading and saving keys, for debugging purposes
Merge pull request #87 from TrevorDorl/master

Adds the option 'nokey' to disable loading and saving keys, for debuggin...
Modified the way friend requests worked.

Added routing of friend requests.
Added saving and loading of keys by default
Added cmake file for DHT_bootstrap_daemon
Merge stuff from notadecent.
Bootstrap servers now route friend requests.