Incremental bug fix release

• change repl-api commands like figwheel-start! so that they don't return the SystemMap
  as this was behaving badly in various REPL configurations 28e03af
• figwheel-running? checks if figwheel is actually running now bb146e1
• guard access to localStorage on client fdb49a2
• Print exception when requiring ring handler fails f663acc
• add support for notify-command back a475c59
• Add exclusions to fix sidecar confusing dependencies b263835
• For custom ring handler, bind to var, not to its value 789ff03
• create directories for logfile ce39ac0