Upgrade to cljfmt, figwheel... once cljfmt supports tools.reader 1.0.0+

[lvh]

We can't do this right now because cljfmt-0.4.1 (and current figwheel release) rely on tools.reader CLJS-specific features which are only available in 1.0.0-alpha{1,3}, and lein-ancient is reluctant to add a dependency on a pre-release version of tools.reader (a reasonable position).

This is being tracked here: xsc/lein-ancient#72

[lvh]

lein-ancient released a new version (0.6.10); so perhaps we can just update this now.