Merge pull request #5 from mdt0093/master

Merge pull request #4 from mdt0093/common
Created common header shared between files
- ADDED common header to all display pages
Created config directory
- ADDED db connection constants
Created functions library
- ADDED two page URL functions
Merge remote-tracking branch 'origin/common' into common
Merge pull request #6 from mdt0093/common

Looks good!