Release 0.15.1

• Release 0.15.0 (042a0e9)
• Disabled hard-source plugin for webpack until this is fixed: mzgoddard/hard-source-webpack-plugin#88 (e650893)
• Migrated to webpack v2.2 (27e5236)
• Upgraded to webpack 2.2.0 final + hardsource (fixed compat to webpack v2.2) (cc359ca)
• Release 0.15.0 (112c34b)
• Disabled hard-source plugin for webpack until this is fixed: mzgoddard/hard-source-webpack-plugin#88 (6a39c92)
• Merge pull request #111 from JLHwung/fix-address-in-use-error (6e43e69)
• fix(ListenerManager): retry dispose after server is not open (0211d18)
• Migrated to webpack v2.2 (6aea660)
• Upgraded to webpack 2.2.0 final + hardsource (fixed compat to webpack v2.2) (10d454c)