fix: bots at difficulty 0 unable to do anything useful

fix: lang configs unable to parse last translated line (fixes #340)
fix: last enemy isn't  cleared instantly with dead entity anymore
fix: bot weakness in pistol rounds
analyzer: improved optimization of useless nodes
linkage: make inability to call gamedll player( non-fatal
linkage: fixed bot boot  on WON engines pre 2000 builds (support for beta 6.5 restored)
cvars: added suupport to revert all cvars to defaults via 'yb cvars defaults'
cvars: added cv_preferred_personality  to select bot default personality
refactor: use single function to send hud messages over the bot code
bot: added random original podbot welcome message to preserve origins of this bot
conf: shuffle bot names and chatter items on conflig load
conf: simplified a bit chatter.cfg syntax (old syntax  still works
build: added support for building with CMake (thanks @Velaron)
refactor: rall the memory hooks moved into their one cpp file

inc/planner.h

@@ -111,9 +111,6 @@ private:
    // clears the currently built route
    void clearRoute ();
 
-   // can the node can be skipped?
-   bool cantSkipNode (const int a, const int b);
-
    // do a post-smoothing after a* finished constructing path
    void postSmooth (NodeAdderFn onAddedNode);
 
@@ -156,6 +153,10 @@ public:
    size_t getMaxLength () const {
       return m_length / 2;
    }
+
+public:
+   // can the node can be skipped?
+   static bool cantSkipNode (const int a, const int b, bool skipVisCheck = false);
 };
 
 // floyd-warshall shortest path algorithm