Add a "title" naming strategy for row creation in livedata

Hi, this doesn't apply to normal pages but is related to "new row naming strategies", see https://github.com/xwiki/xwiki-platform/blob/master/xwiki-platform-core/xwiki-platform-livedata/xwiki-platform-livedata-livetable/src/main/java/org/xwiki/livedata/livetable/LiveTableNewRowNamingStrategy.java