refactoring to make url servlet context path insensitive
Merge branch 'dev' of github.com:docdoku/docdoku-plm into dev

Conflicts:
	docdoku-server/docdoku-server-web/src/main/java/com/docdoku/server/rest/ChangeOrdersResource.java
	docdoku-server/docdoku-server-web/src/main/java/com/docdoku/server/rest/ChangeRequestsResource.java
	docdoku-server/docdoku-server-web/src/main/webapp/change-management/index.xhtml
	docdoku-server/docdoku-server-web/src/main/webapp/document-management/index.xhtml
	docdoku-server/docdoku-server-web/src/main/webapp/less/common/header.less
	docdoku-server/docdoku-server-web/src/main/webapp/product-management/index.xhtml
	docdoku-server/docdoku-server-web/src/main/webapp/product-structure/index.xhtml
	docdoku-server/docdoku-server-web/src/main/webapp/resources/default/header.xhtml