add debian info in readme
setup.py
make installation on debian straightforward:
- reorganized README (two dependecies section: Debian, Arch)
- removed dependecy for `realpath` (not a core package in Debian)
- added elasticsearch bin path for Debian based distro (no more symlink needed)

welcome to all debian users ;)
Merge pull request #2 from ael-code/master

make installation on debian straightforward:
FIX missing files from templates
better run_all_dev
Make it easier to have some data in your library
add update_book. closes insomnia-lab/libreant#1
added Flask-babel integration
templates internalization
added some translations (en,it,sq)
updated .gitignore:
    ignore translation binary
    ignore egg folder
compilation of translation now it's done at install time
Updated translations
Update MANIFEST.in to include translations source file (.mo)
choosed a different way to implement "compilation of translation".
Now compilation of catalog messages is triggered by install, dist_egg, develop commands and translation binary are included in webant binary executable
Merge pull request #2 from ael-code/babel-integration

Babel integration
added original AGPL text from "http://www.gnu.org/licenses/agpl-3.0.txt"
added classifiers to setup.py
added build/ and dist/ folders to .gitignore