refactoring, fixing maven deps
Merge remote-tracking branch 'origin/structure_update' into structure_update

Conflicts:
	api/src/main/java/pl/doa/IDOALogic.java
	pom.xml
	support/http-ext-webdav-channel/pom.xml
	support/http-ext-webdav-channel/src/main/java/pl/doa/http/ext/webdav/processor/WebdavProcessor.java
	support/http-ext-webdav-channel/src/main/java/pl/doa/http/ext/webdav/request/DOARequest.java
	support/http-ext-webdav-channel/src/main/java/pl/doa/http/ext/webdav/request/DOAResponse.java
	support/http-ext-webdav-channel/src/main/java/pl/doa/http/ext/webdav/resource/impl/DOAEntityResource.java
refactoring