Merge pull request rollbar#232 from rollbar/release-1.7.4

Release 1.7.4

Merge pull request rollbar#225 from rollbar/increase-number-of-retrie…

…s-of-nexus-staging-plugin

Increase numberOfRetries of nexusStaging to 60

creating release 1.7.2 (rollbar#217)

Merge pull request rollbar#206 from rollbar/release-1.7.1

Release 1.7.1

Merge pull request rollbar#201 from rollbar/release-1.7.0

Relese 1.7.0

chore(version): bump version number to v1.6.0

chore(version): bump version number to v1.5.2

chore(version): bump version number to v1.5.1

docs(javadoc): fix param name in sendJsonPayload javadoc

Closes PR rollbar#180

Release 1.4.1