v7.0.0

Full Changelog

Merged pull requests:

• A stay event was added to beacon event #187 (clsung)
• add field stickerResourceType to sicker message #184 (clsung)
• Fixed declaration of FlexContainerType #182 (Nazozen)
• Switch api.line.me and api-data.line.me depending on API methods #181 (oklahomer)
• add bubble size property #178 (johanavril)
• add field label to imagemap actions #176 (TonPC64)
• Support 07/08 Insight API. #172 (kkdai)