main: Improve main bootstrapping sequence
main: Improve main bootstrapping sequence

- Parses args in two pases to allow for setup of logging well before doing
  extension sub-commands.

swak/mopidy,jodal/mopidy,ali/mopidy,dbrgn/mopidy,vrs01/mopidy,diandiankan/mopidy,ZenithDK/mopidy,diandiankan/mopidy,ZenithDK/mopidy,tkem/mopidy,mokieyue/mopidy,liamw9534/mopidy,glogiotatidis/mopidy,tkem/mopidy,swak/mopidy,vrs01/mopidy,mokieyue/mopidy,tkem/mopidy,hkariti/mopidy,vrs01/mopidy,mokieyue/mopidy,glogiotatidis/mopidy,mopidy/mopidy,bacontext/mopidy,pacificIT/mopidy,tkem/mopidy,diandiankan/mopidy,jcass77/mopidy,bacontext/mopidy,rawdlite/mopidy,bacontext/mopidy,mopidy/mopidy,ali/mopidy,bencevans/mopidy,SuperStarPL/mopidy,dbrgn/mopidy,priestd09/mopidy,hkariti/mopidy,priestd09/mopidy,quartz55/mopidy,swak/mopidy,jmarsik/mopidy,jodal/mopidy,vrs01/mopidy,rawdlite/mopidy,woutervanwijk/mopidy,quartz55/mopidy,glogiotatidis/mopidy,pacificIT/mopidy,ali/mopidy,adamcik/mopidy,bencevans/mopidy,abarisain/mopidy,jmarsik/mopidy,mokieyue/mopidy,woutervanwijk/mopidy,priestd09/mopidy,adamcik/mopidy,jcass77/mopidy,bencevans/mopidy,quartz55/mopidy,pacificIT/mopidy,ZenithDK/mopidy,SuperStarPL/mopidy,kingosticks/mopidy,rawdlite/mopidy,pacificIT/mopidy,jmarsik/mopidy,SuperStarPL/mopidy,jmarsik/mopidy,swak/mopidy,bacontext/mopidy,diandiankan/mopidy,mopidy/mopidy,jcass77/mopidy,hkariti/mopidy,dbrgn/mopidy,liamw9534/mopidy,ali/mopidy,jodal/mopidy,bencevans/mopidy,glogiotatidis/mopidy,abarisain/mopidy,SuperStarPL/mopidy,kingosticks/mopidy,kingosticks/mopidy,ZenithDK/mopidy,adamcik/mopidy,rawdlite/mopidy,dbrgn/mopidy,quartz55/mopidy,hkariti/mopidy