Merge pull request #142 from maciejlew/master

CSS pagination class. Change in TFOOT background color.
add sample configuration for nginx
Merge pull request #143 from pjona/patch-3

add sample configuration for nginx
support of sms message length limits
phpui.custom_templates_dir allows to select used template set
phpui.custom_templates_dir allows to select used template set (ChangeLog entry)
New CSS classes for text alignment, nowrap, empty table cell, lighter
text.
Unnecessary or non standard html elements and attributes like "width",
"nowrap", "nobr", "b" removed or replaced. COLGROUP section for each table
added.
Merge branch 'html_strict'

Conflicts:
	img/style.css
	templates/default/balancelist.html
	templates/default/nodelist.html