Replaces gorilla mux to goji and decied to remove vendor dependencies from git (#28)

* Replaces gorilla mux to goji

Removed the applicationContext stuff. Now every handler is a struct, and each one hold its dependencies.

* handler not handle

* Ignoring vendor dir

* Hide handlers complexity instantiation.

* Websocket handler does not need common handlers

* Use maps instead of for loops to search in memdb for apps (#29)

* Use maps instead of for loops to search in memdb for apps; use mutexes more efficiently by immediately unlocking when lock is no longer needed, not just at the end of the function via defer

* Fixed assignment to entry in nil map

* Minor impovements in source code

* Replaces gorilla mux to goji

Removed the applicationContext stuff. Now every handler is a struct, and each one hold its dependencies.

* handler not handle

* Ignoring vendor dir

* Hide handlers complexity instantiation.

* Websocket handler does not need common handlers

* renamed IdMutex to IDMutex to follow go convention

Rakefile

@@ -27,9 +27,9 @@ task :test do
 	sh 'GO15VENDOREXPERIMENT=1 go test . `glide nv`'
 end
 
-desc 'Download the development dependencies'
-task :'dev-deps' do
-	sh 'go get github.com/pusher/pusher-http-go'
+desc 'Download the dependencies'
+task :'deps' do
+	sh 'glide install -v -s'
 end
 
 desc 'Generate distributions'