Transpose the globalvars table to allow more possible variables.
implemented exceptions for HTHS alum.
Merge branch 'develop' of https://github.com/mahsu/HTHS-Secret-Santa into develop
[add] allowed_emails table schema
(cherry picked from commit b9a9f2d)
Merge remote-tracking branch 'github/develop' into develop
fixes
[fix] group codes created with only upper letter and numbers
[fix] renamed template files
[fix] discover only displays current year groups
[new] added params to admin_settings
Merge branch 'develop' of https://github.com/mahsu/HTHS-Secret-Santa into develop
Merge branch 'master' into develop

Conflicts:
	application/config/email.template.php
[new] began revamping of admin panel
[fix] updated bootstrap to 3.2
[fix] updated fontawesome to 4.2
[fix] remote modals for memberlists work again
[new] upgraded to CodeIgniter 2.2.0
[new] dynamic sidebar in admin panel
[new] custom admin render helper to render sidebar
[new] added bootstrap-datetimepicker
[fix] renamed admin.coffee to groups.coffee
[fix] minor admin panel sidebar formatting
[new] general settings date form
[new] added moment.js dependency
[new] integrated site_name and date config vars to display
[new] expanded general control panel
[fix] minor
[fix] check whether group was paired
[fix] broken url in add template group function
[new] autofill for general config
[fix] formatting on medium size screens
[fix] minor changes
[new] added base advanced settings page
[fix] support for saving general config
[fix] updated documentation in datamod.php
[new] deprecated model