Merge pull request #2 from friendica/master

Pull from friendica/master
update fr
       - resubmitted, after online tests, correct translations for poked, pinged, etc
       - fix wrong sense for poked
       - there were two different translations for [red:notify], changed to the most used (Red:Notification) everywhere.
update fr - sorry for multiple posts, I will try to find time to check the whole french translation and submit once.
update fr: use prefixFromNow to display time delta in the most used, natural form ("Il y a 2 jours" and not "2 jours auparavant")
update fr: checked mail templates and another bunch of typoes in strings
update fr: 'to prod', better translated by 'encourager'
Merge pull request #721 from magicoli/master

update fr
Missing include if photo album widget called from not-the-photos page.
Directory sorting as a dropdown, forum filter as checkbox, option to sort oldest first
Revert "Revert "Directory shows channel suggestions by default""

This reverts commit bfde28f28eae1f4b00aac03b2714254d14ab7464.
Suggestions in dir redux. Suggestions are now showed in directory if suggest=1 parameter is given to directory.
merge
merge
Show tags in other channels profile field to make it easier to navigate to the channels
Some Doxygen comments and small cleanups.
Remove channel cloud files from file system when

the channel is removed
small change
Merge pull request #728 from cvogeley/master

Remove channel cloud files from file system when the channel is removed
add main_footer include to all .md files except TOS and README
Merge pull request #731 from zzottel/master

add main_footer include to all .md files except TOS and README