persistent correspondence seeks - WIP
Merge branch 'master' into persistentSeeks

* master:
  we don't need to know the opening ply
  remove unused opening configuration
  upgrade for latest mithril: window.m is no longer a thing
  mithril 0.1.27 and chessground 1.8.1
  sk "slovenčina" translation #10932. Author: xslyepov.
  sk "slovenčina" translation #10931. Author: xslyepov.
  le "1337" translation #10928. Author: Chess_Agent. Finished the last five sentences.
  de "Deutsch" translation #10927. Author: Dolg. 99 I guess it's the possibility to reset the password. Right now it means that it were reset already.
  ar "العربية" translation #10926. Author: Abd0.
  uk "українська" translation #10925. Author: IvTK.
  la "lingua Latīna" translation #10924. Author: Dr_King_Schultz.
  hu "Magyar" translation #10923. Author: Nigel-727.
  sl "slovenščina" translation #10922. Author: woodswoods. Better words  for certain translations in contex.
  is "Íslenska" translation #10920. Author: hjortur.
  da "Dansk" translation #10919. Author: KillerDwarf.
  lv "latviešu valoda" translation #10918. Author: krauzand.
  ru "русский язык" translation #10915. Author: XuMEPA.
  add donor star to server providers
  move license file to the root
add nowPlaying API color attr
correspondence requires loggin in, and respects blocks
upgrade playframework to 2.3.7
joining correspondence seeks
update hook
keep frontend seeks up to date
Merge branch 'master' into persistentSeeks

* master:
  ro "Română" translation #10948. Author: wsdookadr. translated the messages
  it "Italiano" translation #10947. Author: itsonlyme.
  be "Беларуская" translation #10946. Author: Beibus.
  be "Беларуская" translation #10944. Author: HunOL.
  lv "latviešu valoda" translation #10940. Author: krauzand. typo on 3/307 and better phrasing on 61/307
  lv "latviešu valoda" translation #10939. Author: krauzand. fixed typo on 3/307
  uk "українська" translation #10938. Author: melco. Really minor fixes. Like capital letter or alternative word
  upgrade playframework to 2.3.7
  add nowPlaying API color attr
  Correct grammar error in emailIsOptional string
redesign lobby tabs
Revert "filter correspondence games, more config DB migration"

This reverts commit 6a3d46e0f20f774e0e28ff928af8b892b242028b.

Conflicts:
	public/javascripts/big.js
complete persistent seeks and lobby redesign