Prep for 1.4.0 release

Merge pull request #204 from optimizely/jordan/release-1.3.0

[release] 1.3.0

Merge pull request #204 from optimizely/jordan/release-1.3.0

[release] 1.3.0

1.2.1 Release

Build dist for 1.2.0

Merge pull request #175 from bhamodi/baraa/release-1.1.2

[RELEASE] 1.1.2

[RELEASE] 1.1.1

[release] 1.1.0

Rebuild for 1.1.0-rc2

Implement Reactor#serialize and Reactor#loadState methods