Revert "Revert "Naive attempt to make bookmarks compatible with nav drawer. @ZasoGD - please have a look, if necessary undo this commit and do it right""

This reverts commit 67f273fd6d4b1db7d3ac2363305a1d30e3729ac4.
Merge pull request #697 from fkloft/bookmarks-pane

Mobile: Bookmarks in nav drawer