adding environment validator and nopub clearer

on startup, ttbp checks to see if the environment is valid, and prompts
user to run setup again if not. also, nopub files are now removed from
html if they were generated.

bin/core.py

@@ -69,6 +69,15 @@ def load(ttbprc={}):
 
     load_files()
 
+def reload_ttbprc(ttbprc={}):
+    '''
+    reloads new ttbprc into current session
+    '''
+
+    global SETTINGS
+
+    SETTINGS = ttbprc
+
 def load_files():
     '''
     file loader
@@ -83,6 +92,9 @@ def load_files():
 
     for filename in os.listdir(DATA):
         if nopub(filename):
+            link = os.path.join(WWW, os.path.splitext(os.path.basename(filename))[0]+".html")
+            if os.path.exists(link):
+                subprocess.call(["rm", link])
             continue
         filename = os.path.join(DATA, filename)
         if os.path.isfile(filename) and valid(filename):