Bump rxjava from 2.2.12 to 2.2.13

[dependabot-preview[bot]]

Bumps rxjava from 2.2.12 to 2.2.13.

Release notes

*Sourced from [rxjava's releases](https://github.com/ReactiveX/RxJava/releases).* > ## 2.2.13 > [Maven](http://search.maven.org/#artifactdetails%7Cio.reactivex.rxjava2%7Crxjava%7C2.2.13%7C) > > #### Dependencies > > - [Commit cc690ff2](https://github.com/ReactiveX/RxJava/commit/cc690ff2f757873b11cd075ebc22262f76f28459): Upgrade to **Reactive Streams 1.0.3**. > > #### Bugfixes > > - [Commit cc690ff2](https://github.com/ReactiveX/RxJava/commit/cc690ff2f757873b11cd075ebc22262f76f28459): Avoid using `System.getProperties()`. > - [Pull 6653](https://github-redirect.dependabot.com/ReactiveX/RxJava/pull/6653): Fix `takeLast(time)` last events time window calculation. > - [Pull 6657](https://github-redirect.dependabot.com/ReactiveX/RxJava/pull/6657): Fix size+time bound `window` not creating windows properly.

Changelog

*Sourced from [rxjava's changelog](https://github.com/ReactiveX/RxJava/blob/v2.2.13/CHANGES.md).* > ### Version 2.2.13 - October 3, 2019 ([Maven](http://search.maven.org/#artifactdetails%7Cio.reactivex.rxjava2%7Crxjava%7C2.2.13%7C)) > > #### Dependencies > > - [Commit cc690ff2](https://github.com/ReactiveX/RxJava/commit/cc690ff2f757873b11cd075ebc22262f76f28459): Upgrade to **Reactive Streams 1.0.3**. > > #### Bugfixes > > - [Commit cc690ff2](https://github.com/ReactiveX/RxJava/commit/cc690ff2f757873b11cd075ebc22262f76f28459): Avoid using `System.getProperties()`. > - [Pull 6653](https://github-redirect.dependabot.com/ReactiveX/RxJava/pull/6653): Fix `takeLast(time)` last events time window calculation. > - [Pull 6657](https://github-redirect.dependabot.com/ReactiveX/RxJava/pull/6657): Fix size+time bound `window` not creating windows properly.

Commits

- [`d4eae73`](https://github.com/ReactiveX/RxJava/commit/d4eae73fb2c8f09f9ab05de22444009cb0ea4c45) Release 2.2.13 - [`1cf6e3e`](https://github.com/ReactiveX/RxJava/commit/1cf6e3e73a1ac48abca17d8e76b18b946cf86a8a) 2.x: Fix size+time bound window not creating windows properly ([#6657](https://github-redirect.dependabot.com/ReactiveX/RxJava/issues/6657)) - [`71bfcae`](https://github.com/ReactiveX/RxJava/commit/71bfcae35b8052c21e8564c417ae0a870eb5ddb8) 3.x: Fix takeLast(time) last events time window calculation. ([#6653](https://github-redirect.dependabot.com/ReactiveX/RxJava/issues/6653)) - [`cc690ff`](https://github.com/ReactiveX/RxJava/commit/cc690ff2f757873b11cd075ebc22262f76f28459) 2.x: Avoid using System.getProperties(), some cleanup, up RS 1.0.3 - See full diff in [compare view](https://github.com/ReactiveX/RxJava/compare/v2.2.12...v2.2.13)

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[ghost]

DeepCode Report (#f6af65)

DeepCode analyzed this pull request. There are no new issues.

[codecov[bot]]

Codecov Report

Merging #78 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #78   +/-   ##
=========================================
  Coverage     85.41%   85.41%           
  Complexity       54       54           
=========================================
  Files             5        5           
  Lines           144      144           
  Branches          1        1           
=========================================
  Hits            123      123           
  Misses           19       19           
  Partials          2        2

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[dependabot-preview[bot]]

Superseded by #82.