Add global $post, remove deprecated parameter

Prevent undefined index
Prevent deprecated notice on - get_the_author($post->ID) (removed as not required)
Remove $class variable as not set

Prevent undefined variable notice on $class, not usually required as WP will do the work.
Merge pull request #25 from elliott-stocks/master

Fix notices with functions.php
removed duplicated frank_admin_header_image() function definition
Merge pull request #28 from Porta/master

Duplicated function definition in functions.php
Comment strings localization.
Comment strings Swedish localization.
Removed GA code from header
Sets default options for widgets which would otherwise generate an unnecessary query
Sets default options for widgets which would otherwise generate an unnecessary query
Merge pull request #39 from jeffrey-hearn/master

Remove queries caused by widgets without autoloaded default options
changed primary content wrapper to <main> element
added default display:block to main element
compiled styles using new main element
added aria landmark roles
Merge pull request #43 from chrisdanek/master

Changed main content wrapper to <main> element
Removing the hard coded WordPress version
Added the option to disable wp_generator in frank menu
Made the option for removing the generator work.
Merge pull request #58 from btobolaski/master

Added the option to remove the generator tag from head.