feat: expose ParseTag, new localizer from tags

Upgrade dependencies (nicksnyder#268)

fix escape sequences when extracting string literals (nicksnyder#244)

Do not encode HTML entities in JSON message files (nicksnyder#228)

Upgrade CLDR data to v37 (nicksnyder#227)

Add build step (nicksnyder#226)

minimum go version

Move code to v2 subfolder for greater compatibility (nicksnyder#187)

Fix data race and optimize performance (nicksnyder#183)

update goreleaser