Install quickfort blueprint files

Since dfhack's digfort command can read QF blueprints and it (digfort) must
read blueprint files in the df_linux/ dir, we install blueprints to
df_linux/blueprints.

Thanks to @PeridexisErrant for the DFFD mirror
update blueprints checksum
fix internal qf blueprints dir and remove temp folder
Merge pull request #57 from Ramblurr/qf-blueprints

Install quickfort blueprint files