General spelling/grammar/markup corrections

Use consistent hyphenation and monospace for package names.
Reword and add text to clarify and reinforce
Add worch blurb and some estimates for the timeline.
Add in Fedora Core packages.
Update README.org
Yet another format change as the text goes through Liz/Maxim's hands.
Fix formatting and include blurb about waf.
Wording clarifications, schedule updated, included the worch-ups status.
Remove obsolete markdown version.
Fix refs, update status to include the fact that up through lbnecode is purified.
Remove vestigial overview section.
Add some cd's to be correct.
Merge branch 'release/0.4.0'

Conflicts:
	README.org
Fix dependency versions and go to 0.4.1
Merge branch 'release/0.4.1'
Merge tag '0.4.1' into develop

Fix up depency versions for Python packaging.