Pull Requests History Service and DAO implementation
Incorporated Pull Request History into Enter Room resource and Pull
Messages resource
Added swagger annotations to pull messages resource
Merge branch 'develop' into Get-Endpoint-Implementation

Conflicts:
	.settings/org.eclipse.wst.common.component
	pom.xml
	src/main/java/ca/cencol/geochat/dao/PullRequestRecordDao.java
	src/main/java/ca/cencol/geochat/dao/memory/PullRequestRecordDaoMemoryImpl.java
	src/main/java/ca/cencol/geochat/resource/EnterRoomResource.java
	src/main/java/ca/cencol/geochat/resource/PullMessagesResourse.java
	src/main/java/ca/cencol/geochat/service/PullRequestHistoryService.java
	src/main/java/ca/cencol/geochat/service/ServiceFactory.java
	src/main/java/ca/cencol/geochat/service/impl/RoomServiceImpl.java
Changed PullMessageResource to return EnterRoomResponse
Set to ignore line endings
Merge pull request #8 from slovit/Get-Endpoint-Implementation

Get endpoint implementation