Updates to grc in trunk r11274

There have been some updates to grc:
http://gnuradio.org/trac/changeset/11274

== New blocks

  • Variable Static Text - wx static text display
  • Variable Check Box - wx check box control
  • Variable Config - reads/writes values from/to config file
  • Added complex band pass to band pass convenience filter
  • Root raised cosine convenience filter

== New features

  • Ability to start/stop the flow graph @runtime using a variable control
  • Custom block wrapper paths can be defined in configuration file
  • Custom doyxgen docs path can also be defined in configuration file
  • Major speed improvement for those larger flow graphs with many blocks
  • Help->Colors window to show data type color mapping

Problems, suggestions, comments?
Let me know. Thanks~!
-Josh