Rename docgen, remove installation script, update license, change directory for prelude. Fix #657.
Fix #671
Merge pull request #672 from purescript/671

Fix #671
Merge pull request #670 from purescript/657

Rename docgen, remove installation script, update license, change direct...
change docgen to psc-docs in bundle/README
Merge pull request #675 from michaelficarra/patch-2

change docgen to psc-docs in bundle/README
Embed the Prelude. Fix #673
Tidy up type signatures, use a better type for optional file paths.
Update release notes
Fix #676
Merge pull request #677 from purescript/embed

Embed the Prelude
Windows bundle script, resolve #468
Merge pull request #678 from purescript/676

Fix #676
Include library and wiki info in release notes
Remove docs after move to wiki
Better error messages for duplicate labels in rows, fix #680
Fix #682.
Merge branch '682' into 0.6
Fix bundle build
Bump version