New admin menu
Merge pull request #151 from ChrisBr/new_admin_rb

New admin menu
Moves conference show #action to #edit action
Dropdown shows now context
Removes admin from dropdown
Merge pull request #154 from ChrisBr/new_admin_rb

Moves conference show #action to #edit action
Merge pull request #155 from ChrisBr/dd_admin

Dropdown shows now context
Merge pull request #156 from ChrisBr/remove_admin_dd

Removes admin from dropdown
Shows dropdown on load if path correspondent to link
Merge pull request #161 from ChrisBr/bugfix_admin_menu

Shows dropdown on load if path correspondent to link
Renmanes Conference edit link to Settings in admin menu
Redirects to admin/index after admin login
Merge pull request #153 from ChrisBr/redirect_admin

Redirects to admin/index after admin login
Merge pull request #162 from ChrisBr/removes_header

Renmanes Conference edit link to Settings in admin menu
Removes new conference link form loop
Adds color attribute to conference
Added method to wrap the date helper to recieve two dates instead of a object
Merge pull request #172 from ChrisBr/add_color_to_conference

Adds color attribute to model
Merge pull request #171 from ChrisBr/bugfix_sidebar

Removes new conference link form loop
Merge pull request #167 from gopesht/conference_date_helper

Modified date helper