improved print styles (includes fixes for FS#2645 and FS#2707)

basic styles improvements

unwind the width narrowing commit

put some whitespace between form submit button and fieldset bottom border

reduce the content region width on auth forms (profile, login, register & resend password) to match the fieldset

line up remember me checkbox with the text input fields

fixed issue with pagetools over tabs

added another place to look for logo to make it more consistent (FS#2656)

added cut off points for mobile devices as parameters to style.ini

RTL and IE7 fixes for code blocks

beautified code blocks, also using lighter background colour (FS#2444)

improved section highlighting styles

removed unnecessary print styles

moved some styles around

improved tab styles

* added more selectors to allow different markup
* added border to make tabs more distinctive, especially in other templates

fixed typo in style.ini

#2541, alter section highlighting to insert a container into the DOM to hold the elements being highlighted & later remove it

fixed lib/tpl/index.php to reflect recent changes

changed local style.ini to be merged with standard one

removed template dependencies from underscored CSS files in new default template

fixed 2-digit ordered list items in sidebar (FS#2624)

improvements to h1 in sidebar (follow font size scale + vertical grid)

adjusted h1 size in sidebar

note: we recommend to NOT use H1 elements in the sidebar for semantic
reasons

added support for local style.ini files

removed stray closing div (FS#2633)