Redirect profiles list to default profile, when multi_profiles is disabled.
Extend profile editor information.

* Labels for splitting fields into sections.
* Security token for profile_photo action.
Some changes to the labels and an edit profile button.
move READMEs to .md, added some notes about addon translations
fixing link syntax
Merge pull request #1039 from tobiasd/20140707

moving the README files to .md
Adding preview value to "prepare_body" hook. (Will be used in addons for network related previews)
Let an item be accssible via the GUI (additionally to uid and item id)
Plaintext: The function now returns images from video links as well.
Possibility to disable the automatic reload of the network page
Relocate the site now relocates adresses in the "unique_contacts" table as well.
Diaspora: Possibility to disable the checking of the signature of likes. This is a workaround for the known problem of not receiving likes from Diaspora.
bbcode: Use shorter method for shared content to networks where size matters.
Using @ before username when repeating messages to twitter and statusnet
bbcode: Shared posts to app.net will now have an @ before the username.
using the recycle sign instead of "RD" for statusnet.
Merge pull request #1042 from annando/master

Workaround for likes from Diaspora, disabling of the automatic reload of the network page
bbcode: Changed the format of repeated messages once more.
Setting the user agent to "Mozilla/5.0 (compatible; Friendica)"
Improved option to suppress message flooding by some users.