few minor changes to the layout
Merge remote-tracking branch 'upstream/master' into pdflayoutmodif
changed PDF download to link display
new way to display pdf and bgcolor modification
removed some white spaces and comments
got the css obeying... finally ready to merge
corrections addressed and some more comments added
Merge pull request #197 from voisardf/pdflayoutmodif

Pdflayoutmodif
Merge remote-tracking branch 'upstream/master' into combine_img
Merge remote-tracking branch 'kalbermattenm/combine_img' into combine_img
some cleanup, should be ready to merge now