Merged origin/release-0.5.0 into release-0.5.0

Remove note

Merge pull request #46 from ScotGovAnalysis/dev

Final changes for v0.3.0

Merge pull request #30 from ScotGovAnalysis/dev

Fix broken links and update roxygen version

Merge pull request #27 from DataScienceScotland/bug-fix

Bug fix and guidance edits

Merge pull request #22 from DataScienceScotland/sg-palettes

Add SG colour palettes

Merge pull request #18 from DataScienceScotland/final-changes

Final changes for v0.1 release