chore(ionic): release beta 2 and update changelog

chore: release ionic beta.1

chore(): beta release 🎉

chore(release): release alpha57

test(menu): fix snapshot test

chore() release alpha.55

chore(): release alpha.54

chore(changelog): removing changelog changes from the changelog

I'm so meta

chore(): add es6-shim to e2e tests, fixes Android

release: v1.2.4 ""