Drop global references from parse and runtime functions
fix @rxaviers's drop of globals; rename as mf.runtime
make mf.runtime.lc not correct overwrites of MessageFormat.locale
added support for selectordinal statements
Merge pull request #67 from eemeli/fix-x-plural-fn

Finally get utility functions into local scope
Merge pull request #66 from eemeli/selectordinal

Add support for selectordinal statements