Updated log in page and SQL for dev-issues-#1

-renamed and minor changes on php files
-created log out php
-<<log in>> form sends password and username for search in DB
-check_login.php searches DB and returns
user details as globals (everyone can use)
Made the form scroll-able
Fixed project Structure.
Merged updated master
merged updated master , fixed issues
Added error messages and log out button
fixed 'log out' displaying while not logged
Merge branch 'Dev-Issues-#1'

Conflicts:
	css/login.css
	inc/footer.php
	inc/nav.php
	login.php
fixed issue with merging dev-issues-#1
Fixed includes and changed css

-changed index style
-changed login style
-changed menu style
-removed 'variables.php' and fixed include links
-created 'active class' for menu
-on log in form moved error msg from bottom to top
Fixed structure, compatibility and changed styles

-fixed index and layout css structure and removed unnecessary lines
-removed unnecessary lines  on nav css
-changed login style ,fixed structure and comments
-fixed comments and structure on check login, logout, footer, nav, sidebar and SQL
-changed login php:
--replaced table with divs
--added new 'id's  and actions
renamed "active" class to "selected"
Created officer page and updated log in

added button in index leading to officer page
added "!" string to log in message error
added shadow to login buttons
added account type in check login
Fixed css border-radius and shadows
Created account page, fixed db charset and added few comments
converted DB to utf8
when hover over the seats pointer becomes hand
Merge branch 'master' into Dev-Issues-#3
merged master and fixed errors on Dev-Issues-#3