tools/sloccount: Add view sources section

Issue #73.
tools/sloccount: Add extern sources section

Issue #73.
tools/sloccount: Add optional maxdepth to find

Issue #73.
tools/sloccount: Add controller sources section

Issue #73.
tools/sloccount: Remove 'web sources' section

Issue #73.
tools/sloccount: print_sloccount delimits with tab

Issue #73.
tools/sloccount: Use better output names

Issue #73.
tools/sloccount: Put JavaScript count in page sources

Issue #73.