Doxygen support
Doxygen output directory defined
JavaDoc: com.globo.galeb.consistenthash
JavaDoc updated
JavaDoc and Doxygen updated
Default tcp port (router and manager) changed
Compression support enabled
Merge branch 'develop' into docs

Conflicts:
	src/main/java/com/globo/galeb/core/Backend.java
	src/main/java/com/globo/galeb/core/ConnectionsCounter.java
	src/main/java/com/globo/galeb/core/ServerResponse.java
	src/main/java/com/globo/galeb/handlers/RouterRequestHandler.java
	src/main/java/com/globo/galeb/handlers/RouterResponseHandler.java
	src/main/java/com/globo/galeb/metrics/CounterWithStatsd.java
	src/main/java/com/globo/galeb/verticles/HealthManagerVerticle.java
	src/main/java/com/globo/galeb/verticles/RouterVerticle.java
Doxygen updated
JavaDoc updated
Pump: exceptionHandler support
Pump: writeHandler support
Pump: JavaDoc updated
Pump: IScheduler support removed
RouterRequestHandler updated: using new Pump handlers
RouterResponseHandler updated: using new Pump handlers
* IScheduler enhanced (new event handlers);
* One session for each remote user (Multiplex session support removed);
* Persistent session enhanced;
* Tests updated;
RouterResponseHandler: missing javadoc
Pump start and stop: removed unnecessary "this" return
log pump error