Misc cleanup: Rm old script, unused executor hooking functions (#38)

* Rm old irrelevant example script

* Make this easier to copy and paste

* Rm old unused executor hooking

examples/script/guide_exec.py

@@ -1,32 +0,0 @@
-import sys
-from manticore import Manticore
-
-# This example demonstrates guiding Manticore's analysis
-# by ignoring all branches to libc
-
-def find_lib(m, name):
-    for vmmap in m.memory:
-        if vmmap.name == 'libc.so.6':
-            return vmmap
-
-if __name__ == '__main__':
-    path = sys.argv[1]
-    # Create a new Manticore object
-    m = Manticore(path)
-
-    # Now that binary is loaded, pull out where libc is mapped
-    lib = find_lib(m, 'libc')
-    if lib is None:
-        sys.exit(1)
-
-    # Ensure that we ignore all possible branches to libc
-    # This hook returns False if we should abandon exploration
-    # or True to continue
-    def fork_hook(state):
-        _from, _to = lib.start, lib.start + lib.size
-        return not (_from <= state.cpu.PC < _to)
-    m.add_fork_hook(fork_hook)
-
-    # Start path exploration. start() returns when Manticore
-    # finishes
-    m.run()

examples/script/state_explore.c

@@ -7,8 +7,7 @@
  * $ gcc -m32 -static -g state_explore.c -o state_explore
  *
  * # Pull out the address of the branch we want to ignore
- * $ ADDRESS=0x$(objdump -S state_explore | grep -A 1 'value == 0x41' |
- *                 tail -n 1 | sed 's|^\s*||g' | cut -f1 -d:)
+ * $ ADDRESS=0x$(objdump -S state_explore | grep -A 1 'value == 0x41' | tail -n 1 | sed 's|^\s*||g' | cut -f1 -d:)
  *
  * # Run the analysis
  * $ python state_explore.py state_explore $ADDRESS