Merge pull request #35 from stbnps/master

Rearranged the way we use httpc
Fixed ebin gitignore
Install Mnesia on the right folder

  Probably fixes #36
Restored DB population
Compilation and Mnesia install moved to readme Installation section
Got the results sorted.
Merge pull request #41 from dgalaktionov/master

Got the results sorted.
Optimized HTTP post multipart/form-data boudary separation using string:tokens
instead of a custom function.
Show images instead of URLs @WIP
Master now uses database to store crawled URLs.