Corrected typo
Added pisa xhtml2pdf library
Initial PDF version, replaced pisa with xhtml2pdf
Secret key is now local
Updated readme
settings_local.py with secret key will be generated on first startup. TODO: set database before first run
Corrected readme: Correct step number, removed double instruction
Readme: step ordering corrected
Merged PDF and secret key changes
Merge branch 'master' of https://github.com/rogiervanhetschip/Ravenskeep-Characters