v1.5.1

ControlSystems v1.5.1

Diff since v1.5.0

Closed issues:

• Split out OrdinaryDiffEq functionality (#738)
• rlocusplot() does not plot the roots (#759)
• Decade missing in bode plot (#765)

Merged pull requests:

• fix module imports (#749) (@baggepinnen)
• handle different paths on CI and locally (#750) (@baggepinnen)
• dev CSBase before building docs (#751) (@baggepinnen)
• Minor plot improvements (#752) (@baggepinnen)
• fix some linting warnings (#753) (@baggepinnen)
• add block diagrams with code to docs (#754) (@baggepinnen)
• don't load CS for tests of CSBase (#756) (@baggepinnen)
• Include zeros when calculating lims for rlocus (#760) (@baggepinnen)
• Add rlocus (#766) (@mzaffalon)