UI and Search Functionality

UI designed (draft version) with Twitter Bootstrap

Search functionality added with the following options:
- search for database records that contain a certain keyword/phrase
inside 'doc_title', 'doc_desc' or 'filename' fields
- search for database records that relate to a certain type of file
fomat
- search for database records that are related to certain time period
(the 'datetime_start' or the 'datetime_end' falls inside this defined
period)

A sorting and filtering functionality has been added to tables that
contain search results.