Moving to the full use of django in the WUI and  Many changes on the API

- add a new description for the project
- add page and nb_pages to the search output of the API 
- separate global statistics of words in the API search results output 
- a quick fix for the problem of superJokers \*+ and \?{2,10}  (#44)
- configure wui jquery call to use the json output genertated by django
- process the show  in server-side(django) instead of client-side(jquery)
  - Runtime (rounded by default to 5 decimals)
  - suggestions  (still has this bug #139)
  - pages
  - words info
  - ayas details
  - search links
- new details shown in the WUI
  - prev_aya and next_aya
  - word annotations
  - buckwalter transliteration of keywords
- add the concept of pre-defined view to simplify the API search query 
- fix many css problems
- make dynamic the values of version and description in setup.py 
- fix some pylint warnings ( Issue #28 ) 
- add new patterns of indexes generated files to the ignoring list 
- separate the documentation generating from building operation 
![Screenshot from 2013-01-02 18:03:59](https://f.cloud.github.com/assets/315228/38746/858b5fb2-54fe-11e2-900c-13a3899ceb95.png)