Add UnicityChecker
Correction number of page tested (issue #64)
test label is added (issue #67)
correction, (issue #67 ui review)
key name changed
add anchor to expand the failed test (issue #68)
add total line on result page list
Merge pull request #65 from lingua/develop

Add UnicityChecker
analyser : only apply ponderation on failed test
crawler : remove useless check on rel canonical presence made twice
engine refactoring : move method that retrieve SSP from AuditCommand implementation to ContentDataService implementation
testing tools : update testing-tools mocks due to service interfaces modifications
engine : change level management in engine. Now referentials share level, handle default level and level naming is delegated to the referential i18n project
rules : change level management in engine. Now referentials share level, handle default level and level naming is delegated to the referential i18n project
rules : inhib aw21 in project construction (now seen as deprecated but kept for historic)
web-app : release constraint on test weight validation
web-app-resources : update sql scripts to remove reference to AW21
web-app : remove level i18n files (now handled by referential i18n projects)
web-app : parameterDataService now expose methods to retrieve the referential for a given audit, The ActInfoFactory now uses it
web-app : remove level i18n reference in spring configuration file