Reactor Addons v3.1.0.M2

This is the MILESTONE 2 release of upcoming Reactor-Addons 3.1.0, which will be part of Bismuth Release Train.

It mainly contains adaptation to API changes in reactor-core M2 and a few new features and improvements.

⚠️ Update considerations

• Moved SwingScheduler from reactor-adapter artifact to reactor-extra (#109)

✨ New features

• Upgrade to RxJava 2.1, fix flowable conversions (#111)
• Added a scheduler based on fork join pool (#113)
• Overload Step#expectNext for up to 6 parameters
• Added retry utils for commonly used retry/repeat patterns (#107)

👍 Thanks to the following contributors that participated to this release

@akarnokd, @jakekdodd, @osi, @rajinisivaram