colophon changes
01 introduction fixed references
001 introduction fixed references

Conflicts:
	toolkit.md
Merge branch 'master' of https://github.com/DigitalPublishingToolkit/toolkit
Merge branch 'master' of https://github.com/DigitalPublishingToolkit/toolkit
00-04 fixing spelling mistakes and solving comment
Merge branch 'master' of https://github.com/DigitalPublishingToolkit/toolkit