i think it works

MAJOR antag backend update
- you cannot bruteforce the pen anymore
- uplink now uses bitflag to lock purchases
- poplock is handled entirely by the buyable uplink items
- tgui antag intro (for selected ones)

code/__DEFINES/text.dm

@@ -0,0 +1,5 @@
+/// Prepares a text to be used for maptext. Use this so it doesn't look hideous.
+#define MAPTEXT(text) {"<span class='maptext'>[##text]</span>"}
+
+/// Macro from Lummox used to get height from a MeasureText proc
+#define WXH_TO_HEIGHT(x) text2num(copytext(x, findtextEx(x, "x") + 1))