Add homepage and bug-tracker to cabal file, linking to github.
Revert "User's guide (README)"

This reverts commit 6953042684a57a92eed6c515f8593f46051182c6.
Revert "Default help page"

This reverts commit 79500d5f33c8456092c4e23aac87339c276b8bcc.
Revert "Default front page"

This reverts commit 1f17cadeac82897a925020f52ea52a3e8c471fbc.
Bump version to 0.2.0.2 from 0.2.0.1.