Addition of .uno:StyleApply , .uno:StyleUpdateByExample and .uno:StyleNewByExample uno commands to the sidebar

Change-Id: Iab6f1fb465066fce523fd376038a059189f1b842
Reviewed-on: https://gerrit.libreoffice.org/16279Reviewed-by: Yousuf Philips <philipz85@hotmail.com>
Tested-by: Yousuf Philips <philipz85@hotmail.com>