Fix path to the logo in layout.handlebars
Rename "L10n" handlebars.js helper to "l10n"
Remove unneeded $page variable from PageStyle::render
Rename "header" block to "head" in operator pages' templates
Pass style name to operator pages' templates
Rename "layout" template to "_layout"
Use handlebars.php for dialogs' templates
Reorganize dialog style

Move client side templates from "handlebars_templates" to
"templates_src/client_side"
Fix undefined "mibewroot" var (see issue #21)
Fix extra escaping at the install page
Add favicon to dialog style
Reduse code duplication in dialogs' client side templates
Use correct default config params for page and chat styles
Use chat window params from config for button generation
Use chat style defined params for invitation window
Remove invitation iframe border in IE<9
Merge remote-tracking branch 'mahmood/master'
Fix typos and split long lines in comments
Update access restrictions for chat style's files
Update access restrictions for pages styles' files