added .gitignore entries for unnecessary files
removed unnecessary files
Merge pull request #1 from Aysidisi/improved_gitignore

Improved gitignore
WebSocketSessionCache implemented
Merge branch 'master' of https://github.com/Aysidisi/plainspringwebapp.git
minor changes in websocketchache
minor bugfix
Merge remote-tracking branch 'plainspringwebapp/master'

Conflicts:
	.project
	.settings/org.eclipse.wst.common.component
	src/main/java/com/aysidisi/plainspringwebapp/config/CustomChannelInterceptor.java
	src/main/java/com/aysidisi/plainspringwebapp/config/WebSocketConfig.java
	src/main/java/com/aysidisi/plainspringwebapp/config/cache/WebSocketSessionCache.java