Some corr to the text, some typeos, missing eols in bulletlists unification of naming (Varnish with capital 'V' and all varnish-tools with lower case 'v', some text refactorings (very few and gentle). Basically minor fixxes (while I was reading).
Merge pull request #31 from bennchri/master

While I was reading the book I noticed some stuff in the text...