1.2.0 - Remove conflict with material chipSpacing

This release fixes primarily the issue of conflicting attribute chipSpacing with Android support library in 28.

Thanks to the community for other contributions.

Included in this release:
#73
#50
#62

Be ready for next release to update to support library 28 and then AndroidX

1.1.0

Release version 1.1.0 of nachos!

This release fixes a number of bugs.

• A fix for the way that clicks are detected.
• A fix and enhancement for the background state of chips.
• A fix for the showing of chips as ellipses in Nougat.

Thanks to @tylerjroach and @sherry-yuan-hs for their contributions!

This release also updates gradle, support library, targetSdk to their latest versions.