another fix.  apparently return of 1 does not mean success, but rather a ret of 0... go figure
Merge pull request #46 from unwin/master

final fix for Jamie's buildbot.
Merge pull request #47 from wfrench/master

PRESF Cleanup - Base Driver Updates
Merge pull request #48 from wfrench/master

Presf fixes
Merge pull request #49 from wfrench/master

Fixed SBE 37 Tests.  added new data particles.
Merge pull request #50 from wfrench/master

Data Particle Timestamp Publishing
Merge remote-tracking branch 'upstream/master'