Move 2017 exercises to archive

psConfig/archive/2017/exercise/SALT/challenge.conf

...nfig/archive/2017/exercise/angrydragons/angrydragons.conf

psConfig/archive/2017/exercise/janUndPhil/janUndPhil.conf

...ive/2017/exercise/lit_challenge_speech_configuration.conf

psConfig/archive/2017/exercise/team2/team2.conf

...fig/archive/2017/exercise/team_hypnodisc/main-speech.conf

psConfig/archive/2017/exercise/team_team/wfoperator.conf

...017/exercise/team_workInProgress/team_workInProgress.conf

psConfig/exercise/.gitkeep

psGrammar/archive/2017/exercise/SALT/confirm.jsgf

psGrammar/archive/2017/exercise/SALT/order.jsgf

psGrammar/archive/2017/exercise/SALT/shirtColour.jsgf

psGrammar/archive/2017/exercise/SALT/task.jsgf

psGrammar/archive/2017/exercise/angrydragons/confirm.jsgf

psGrammar/archive/2017/exercise/angrydragons/stop.jsgf

psGrammar/archive/2017/exercise/angrydragons/task1.jsgf

psGrammar/archive/2017/exercise/janUndPhil/colors.jsgf

psGrammar/archive/2017/exercise/janUndPhil/confirm.jsgf

psGrammar/archive/2017/exercise/janUndPhil/order.jsgf

psGrammar/archive/2017/exercise/janUndPhil/thanks.jsgf