Merge pull request #27 from pepijnve/master

Bugfixes for asciidoctor-diagram 1.1.x
Sleep for 1 second in regeneration spec to detect errors more reliably
Correct 'should process diagram' logic
Bump version number
Merge branch 'master' into asciidoctor-1.5
Bump version number
Improve robustness when using RJB by explicitly stating expected Java constructor signature.
Update changelog
Bump version number
Merge 1.1.4 bugfixes