[NX-19] Remove logs UI and associated resources/DTOs (they are replaced by new logging plugin)

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge remote-tracking branch 'origin/master' into NX-19-remove-log-files-ui-resources

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>

Conflicts:
	plugins/basic/nexus-ui-extjs3-plugin/src/main/resources/static/js/Nexus/config.js
	plugins/basic/nexus-ui-extjs3-plugin/src/main/resources/static/js/repoServer.js
	plugins/basic/nexus-ui-extjs3-plugin/src/main/resources/static/js/repoServer/RepoServer.js
	plugins/restlet1x/nexus-restlet1x-plugin/src/test/java/org/sonatype/nexus/client/model/TestMarshalUnmarchal.java
Merge remote-tracking branch 'origin/master' into NX-19-remove-log-files-ui-resources
Merge pull request #193 from sonatype/NX-19-remove-log-files-ui-resources

REVIEW: [NX-19] Remove logs UI and associated resources/DTOs (they are replaced by new logging plugin)