Fix error-web and layout-demo integration tests poms

14:31:40 [ERROR] The build could not read 2 projects -> [Help 1]
14:31:40 [ERROR]   
14:31:40 [ERROR]   The project org.nuxeo.ecm.platform:nuxeo-platform-error-web-selenium-tests:[unknown-version] (/mnt/workspace/ondemand-testandpush-atchertchian-master-2/addons/nuxeo-platform-error-web/ftest/selenium/pom.xml) has 1 error
14:31:40 [ERROR]     Non-resolvable parent POM: Could not find artifact org.nuxeo.ecm.distribution:nuxeo-distribution:pom:7.10-SNAPSHOT in internal-snapshots-mirror (http://mavenin.nuxeo.com/nexus/content/groups/internal-snapshots) and 'parent.relativePath' points at wrong local POM @ line 4, column 11 -> [Help 2]
14:31:40 [ERROR]   
14:31:40 [ERROR]   The project org.nuxeo.ecm.platform:nuxeo-platform-forms-layout-demo-webdriver-tests:[unknown-version] (/mnt/workspace/ondemand-testandpush-atchertchian-master-2/addons/nuxeo-platform-forms-layout-demo/ftest/webdriver/pom.xml) has 1 error
14:31:40 [ERROR]     Non-resolvable parent POM: Failure to find org.nuxeo.ecm.distribution:nuxeo-distribution:pom:7.10-SNAPSHOT in http://mavenin.nuxeo.com/nexus/content/groups/internal-snapshots was cached in the local repository, resolution will not be reattempted until the update interval of internal-snapshots-mirror has elapsed or updates are forced and 'parent.relativePath' points at no local POM @ line 3, column 11 -> [Help 2]
14:31:40 [ERROR] 
14:31:40 [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
14:31:40 [ERROR] Re-run Maven using the -X switch to enable full debug logging.
14:31:40 [ERROR] 
14:31:40 [ERROR] For more information about the errors and possible solutions, please read the following articles:
14:31:40 [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
14:31:40 [ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException