Added ability to ignore file reads

Can now ignore file reads from certain directories. Could be used to
ignore temporary files or log files (anything with a unique name that
could clog up the Metadata table).
Merge pull request #55 from dannybutler/master

Added ability to ignore file reads
Merge pull request #56 from alexanderson/master

First stage of SQL aggregation
Restructured database relationships

Simplified the relationships between the MetaData table and other tables
by using a smaller intermediary table.
Queries should be much easier now.
Merge pull request #57 from dannybutler/master

Restructured database relationships
modified database query
Adding simple 404 and 500 error pages
Merge pull request #58 from dannybutler/master

Adding simple 404 and 500 error pages
merged from upstream
added build dir