Update fluent.runtime for fluent.syntax 0.10#88

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spookylukey merged 7 commits intoprojectfluent:masterfrom

django-ftl:update_fluent_runtime_for_fluent_syntax_010

Feb 1, 2019

Commits on Jan 28, 2019

Updated fluent.runtime to fluent.syntax 0.10 and implemented new features.
spookylukey
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Commits on Jan 29, 2019

Commits on Jan 31, 2019

format - some additional tests for messages/terms in terms
spookylukey
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More consistent if/else pattern in ast_to_id, reference_to_id
spookylukey
committed
fluent.runtime - upper bound on fluent.syntax dependency
spookylukey
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