mpdf for charting, treatment records and gallery (021814)

pdf charting color not working in other web browser
tested in chrome
homepage conflict flick.css fixed
homepage conflict for commit - solved
homepage conflict to for commit - solved v2
Merge remote-tracking branch 'origin/development' into jeh_branch

Conflicts:
	application/views/homepage.php
database role_type for dentist account type

changes in dentist account type, validation in dentist signup and bugs
fixed in (create new password in Dentist Login) - 022014
Merge remote-tracking branch 'origin/development' into jeh_branch
database date format
Merge remote-tracking branch 'origin/development' into jeh_branch

Conflicts:
	application/controllers/welcome.php
Merge remote-tracking branch 'origin/jeh_branch' into development

Conflicts:
	application/models/manage_model.php