bleve v2 and blast

[gedw99]

level v2 is moving forward fast and i think blast can gain from it.

bleve has changed storage formats almost as much as how often it rains, but v2 looks at this point to be more stable.

https://github.com/blevesearch/blevex/pull/50/files

[mosuka]

@gedw99 Thank you for letting me know. I'll try it when I have time.

Thanks! :)

[joe-getcouragenow]

:) awesome !!!