gui/css: add bar thickness hint css preprocessor support

src/config: process css after config

gui/css: implement preprocessing for a current file path

implement private variables

actionlib: implement dbus call, trigger invocation and file monitorin…

modules/appmenu: assign default category if Category tag isn't specified

modules/appmenu: implement support for flat menues, add items without…

cal.widget: add style for today

config/cal.widget: correct month convention in DOW calc

gui/css: fix a memory leak

gui/css: don't consume css string

config/base: cleanup config_assign_string

modules/idle: correct parameter parsing

gui/menuitem: implement support for veriable tooltips

config/battery-svg: load bsdctl module

gui/bar: size allocation cleanup

gui/bar: request correct size for sensor

gui/bar: remove unncessary code

gui/bar: implement slide transition

gui/bar: disentagle visibility vs reveal states

config/menu: add support for populating menu items from .desktop files

gui/bar: call bar_update_monitor for a new bar to position and reveal

config/menu: fix sorting

config: implement full featured menu declaration system

modules/appinfo: handle trailing semicolon in boolean checks

config/battery-svg: fix call to XBatteryInit

sfwbar: update widget autoexec action to work with revealer

gui/bar: fix sensor transparency when background is set by name, add …

vm/parser: fix heap variable lookup

cpu-temp.widget: correct units for BSD