Fixed css and other stuff to adapt to Bootstrap 3.x
Set up functionalities to show summary of resources filtered by time
Redesigned whole items fetching system and other improvements.

- Redesigned the whole system. Now feeds are analyzed by the databased
and the resources are classified based on base keywords and topic
specific keywords inputted into the database.
- The system support base keywords, topic specific keywords and topic
specific exclusion keywords.
- Implemented a query syntax to input the keywords.
- The system uses FiveFilters.org to get main content of pages to match
keywords against. If the site is not supported correctely by
fivefilters or fivefilters fail, the whole page is taken for matching.
- Implemented to Excluded Resources object to track excluded resources
and reason of esclusion.
- SharedCount.appspot.com is used to retrieve social sharing levels of
resources.
- Fixed glitch that was making new resources showing some empty fields
as non empty on creation.
- Implemented fail safe algorithm to clean resources not saved
correctly due to server hangs.
- Feeds analysis and sharing levels assignements are triggered by
cronjobs
Added "Excluded Resources Row" and bug fixes.
File divided in sections using comments
Bug Fixing and some features

- Now resources data are not fetched if one of the date inputs is not
correct (wrong or empty)
- Code refactoring
- Date inputs are rembered in browser cache and repopulated on page
reload
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Improvements and code refactoring. Not definitive.

- Now site correctness is percentage of pages with preconceptional
context.
Layout fixes.

Now dashboard widgets don't shrink with window width.
Layout Fixes.

Fixed OPBG logo css to work with new WP 3.6 login page layout.
Triggers social scores assignements routine.
Database Crons
Triggers items fetch routine.