Major refactoring:
- poms updated
- grizzly + jersey + spring in server RESTful logic
- some changes in client stub code
- used 2.7 gwt for incremental compilation
- dependencies update
- moved from xml to java config for spring
- logback used for logging
- typesafe used for configuration
Merge remote-tracking branch 'origin/master'

Conflicts:
	client/pom.xml
	common/src/main/java/com/github/kindrat/programmerwars/tanks/common/network/RestUtil.java
	config/liquibase/changelogs/init-db-0.1.xml
	pom.xml
	server/pom.xml
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/StartUp.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/TankServer.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/api/GameApi.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/api/RoomApi.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/api/UnitApi.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/persistence/domain/Room.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/persistence/domain/Unit.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/persistence/entity/Player.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/persistence/repository/PlayerRepository.java
	server/src/main/java/com/github/kindrat/programmerwars/tanks/server/services/PlayerService.java
	server/src/main/resources/applicationContext.xml
Merge conflicts resolving