[Discuss-gnuradio] updates to grc in trunk r11274

[Josh Blum]

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