Fix name of the submodule entry.

Was `rack` in 1st edition but now it's `DbConnector`.
Clean full prompt
Clean doubled `f` option
Revert "Fix missed include"
Merge pull request #162 from progit/revert-160-patch-2

Revert "Fix missed include"
Remove dead notes content
Merge pull request #161 from zigarn/fixes

Some simple fixes
Rewrap long command line

Closes #165
Fix broken xref
Merge pull request #166 from progit/scrub-xrefs

Fix broken xref
Merge pull request #163 from progit/remove-notes

Remove dead notes content