[TECH SUPPORT] LPS-50259 Freemarker theme doesn't work under non-root context

Please see implementation of normalizeName here: http://grepcode.com/file/repo1.maven.org/maven2/org.freemarker/freemarker/2.3.17/freemarker/cache/TemplateCache.java#TemplateCache.normalizeName%28java.lang.String%29