couple of bugfixes

-fixed screen flickering
-fixed menubar (now works as intended)
-reworked sliders (behaviour more like scrollbars)
-visual fix to dropdowns

source/project/mainTop.lua

@@ -1,6 +1,6 @@
 local basalt = { debugger = true, version = 1 } 
 local activeFrame 
-local frames = {} 
+local frames = {}
 local keyActive = {} 
 local parentTerminal = term.current()