ENGINE-552: As an API user I can write log message from within a reactor script, and retrieve them using an API endpoint.

- missing tests and smoke testing
ENGINE-552: As an API user I can write log message from within a reactor script, and retrieve them using an API endpoint.

- moved LogEntry to internal resource model
ENGINE-712: equals() and hashCode() should only use id property
ENGINE-712: Added javadoc to equals()
Bump version numbers
Merge branch 'ENGINE-552'
Merge pull request #17 from evrythng/ENGINE-712

ENGINE-712: equals() and hashCode() should only use id property
Merge branch 'master' of github.com:evrythng/evrythng-java-sdk
Merge remote-tracking branch 'remotes/origin/master' into ENGINE-713