* The Verse server is linked with libWebsockets library
 - Added basic cmake find module for libWebsockets
 - Modified CMakeLists.txt to have optional support for libWebsockets
WIP: Implementation of WebSocket
 - Listening at WebSocket port is disabled now, because libwebsocket
uses poll and verse uses select. Therse is issue with hnadling signals
too.
* Removed libWebSockets
* WIP: Added basic support Wslay ... it compiles with :-)
Merge branch 'master' into websocket
* Refactoring

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* WIP WebSocket: Verse server listen on other TCP port intended for
WebSocket

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Refactoring of code
* WebSocket socket can accept connection
* WIP WebSockets: added some experiments
* WebSocket WIP: Verse server works as echo server :-)

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Added simple html example of using WebSocket

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Added simple support/example of sending binary data

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Refactored code a little
* It is possible to close WebSocket connection

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Refactoring of code
* WebSocket very WIP ... example doesn't work

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* Small refactoring
* WIP: test web page
* Refactoring of code
* WIP: sending and receiving data over WebSocket
* Added simple test to index.html
 - Verse server is able to receive user_auth command over WebSocket :-)

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
* WebSocket WIP: it is possible to authenticate user over WebSocket in
simple index.html example
* WebSocket WIP: Small changes
* Bug fix: server/client send data only, when there is something in
queueu ... it was caused be refactoring

Signed-off-by: Jiri Hnidek <jiri.hnidek@tul.cz>
Merge branch 'websocket' of https://github.com/verse/verse.git into websocket