Fix regression in radare2 support.

Author: aweinstock314

conScan.py

@@ -1,4 +1,13 @@
-from binaryninja import *
+# Try to import stuff.
+try:
+    from binaryninja import *
+except:
+    print "[!!] Not running in Binary Ninja"
+
+try:
+    import r2pipe
+except:
+    print "[!!] Not running in Radare2"
 
 class ilVar(object):
     def __hash__(self):

dependency.py

@@ -5,7 +5,16 @@
 '''
 
 import analysis_engine as ae
-from binaryninja import *
+# Try to import stuff.
+try:
+    from binaryninja import *
+except:
+    print "[!!] Not running in Binary Ninja"
+
+try:
+    import r2pipe
+except:
+    print "[!!] Not running in Radare2"
 
 class ImportedCall(object):
     '''