Reorder css files in alphabet order.

Makefile

@@ -3,7 +3,7 @@ BROWSERIFY = ./node_modules/.bin/browserify
 UGLIFYJS = ./node_modules/.bin/uglifyjs
 EXORCIST = ./node_modules/.bin/exorcist
 CLEANCSS = ./node_modules/.bin/cleancss
-CSS_FILES = font.css toastr.css main.css videolayout_default.css font-awesome.css jquery-impromptu.css modaldialog.css notice.css popup_menu.css login_menu.css popover.css jitsi_popover.css contact_list.css chat.css welcome_page.css settingsmenu.css feedback.css
+CSS_FILES = chat.css contact_list.css feedback.css font-awesome.css font.css jitsi_popover.css jquery-impromptu.css login_menu.css main.css modaldialog.css notice.css popover.css popup_menu.css settingsmenu.css toastr.css videolayout_default.css welcome_page.css
 DEPLOY_DIR = libs
 BROWSERIFY_FLAGS = -d
 OUTPUT_DIR = .