RRD metadata payload trim

CA-276795: Trim null terminators that can be incorrectly part of the rrd metadata

Port to jbuilder and dependency cleanup

Merge pull request #42 from mseri/master

Prepare to release v1.3.0

Add -once flag to rrdreader and rrdwriter test utilities

Merge pull request #39 from lindig/CP-18504

CP-18504/CP-18271 install rrd-transport utilities to facilitate testing

New release after change of JSON meta-data format for data sources

This release changes names in the JSON meta data that describes the scale for a data source. Clients are unaffected as long as they use the library to create RRD files but need to be updated if they create RRD files that are consumed by the library.

Declare this package stable

Merge pull request #37 from euanh/master

oasis: Update version to 1.0.0

Update to new rrd interface, new io-page.1.5.1

• add opam file
• update to new rrd interface
• compatible with io-page.1.5.1

Lots of fixes

• more, better unit tests
• tidy Rrd_{reader,writer} interfaces
• cache a single grant device references