v1.0.0-beta.1

• chore(package): use webpack as peer dependency (fc5fe64)
• chore(release): 1.0.0-beta.1 (c052fd5)
• refactor(plugin): use glob async (de42c68)
• ci(travis): configure branches (4a0e3fc)
• docs(readme): add Greenkeeper badge (dce78fc)