v1.2.2

Changelog

ea8abd9 Update README to reflect spec version v1.2.1
1fb86e2 Merge pull request #55 from roblillack/fix-rendering-non-false-value-sections
10eb828 Enable formerly skipped spec tests for sections
e25d805 Merge remote-tracking branch 'upstream/master' into fix-rendering-non-false-value-sections
c5eea54 Merge pull request #56 from cbroglie/update-spec
1e9f7de Update mustache/spec submodule to latest
d22c883 Fix rendering non-false value sections.