Support RxJS 6

[sindresorhus]

And drop support for RxJS 5.

---

IssueHunt Summary

#### [ mhatvan](https://issuehunt.io/u/mhatvan) has been rewarded. ### Backers (Total: $40.00) - [ issuehunt](https://issuehunt.io/u/issuehunt) ($40.00) ### Submitted pull Requests - [#23 Support RxJS 6](https://issuehunt.io/r/sindresorhus/any-observable/pull/23) --- ### Tips - Checkout the [Issuehunt explorer](https://issuehunt.io/r/sindresorhus/any-observable/) to discover more funded issues. - Need some help from other developers? [Add your repositories](https://issuehunt.io/r/new) on IssueHunt to raise funds. --- IssueHunt has been backed by the following sponsors. [Become a sponsor](https://issuehunt.io/membership/members)

[IssueHuntBot]

@issuehunt has funded $40.00 to this issue.

---

• Submit pull request via IssueHunt to receive this reward.
• Want to contribute? Chip in to this issue via IssueHunt.
• Checkout the IssueHunt Issue Explorer to see more funded issues.
• Need help from developers? Add your repository on IssueHunt to raise funds.

[issuehunt-oss[bot]]

@sindresorhus has rewarded $36.00 to @mhatvan. See it on IssueHunt

• :moneybag: Total deposit: $40.00
• :tada: Repository reward(0%): $0.00
• :wrench: Service fee(10%): $4.00