replace all obsolete occurrences of http-link "github.com/kripken/sql.js" with "github.com/sql-js/sql.js" by running shell-command: (#417)

$ git grep "github.com/kripken/sql.js" | sed -e "s/:.*//" | sort -u | xargs sed -i "s|github.com/kripken/sql.js|github.com/sql-js/sql.js|g"