add blog2 as TPL example

* artanis/config.scm: add use-Nginx?
* artanis/utils.scm: update remote-info
new file:   blog2.scm
new file:   css/common.css
new file:   index.tpl
Add FPRM: Functional Programming Relational Mapping
* new file:   artanis/fprm.scm:
  Functional Programming Relational Mapping
* artanis/db.scm: Add check-status
* artanis/ssql.scm: Fixed conds output
* artanis/utils.scm: Add generate-Etag
Merge branch 'master' of github.com:NalaGinrut/artanis

Conflicts:
	examples/blog2.scm