Fix #50, Updates Guide-GroundSystem.txt and CheaderParser.py from pyt…

…hon 2-->3

Guide-GroundSystem.txt

@@ -23,59 +23,15 @@ Before launching the Ground System make sure that:
   -> cmdUtil is compiled.
 
 
-Installing and running cFS Ground System on Mac:
-Install using Homebrew on Mac (http://brew.sh/)
-    $ brew install pyqt
-    $ brew install zeromq
-    $ ( cd Subsystems/cmdUtil/ && make )
-    $ python GroundSystem.py
-
 Installing and running cFS Ground System on Ubuntu:
-    $ sudo apt-get install python-qt4 python-qt4-dev
-    $ sudo apt-get install python-zmq
+    $ sudo apt-get install python3-pyqt4
+    $ sudo apt-get install python3-zmq
     $ ( cd Subsystems/cmdUtil/ && make )
-    $ python GroundSystem.py
-
-
-Installing and running cFS Ground System on CentOS 6:
-    $ su
-    $ <type password>
-    $ yum -y update
-
-    #### Install pip and python-development ####
-    # If you are on a 64-bit CentOS / RHEL based system: 
-    $ wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
-    $ rpm -ivh epel-release-6-8.noarch.rpm
-
-    # If you are on a 32-bit CentOS / RHEL based system:
-    $ wget http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
-    $ rpm -ivh epel-release-6-8.noarch.rpm
-
-    $ yum install -y python-pip
-    $ yum install -y python-devel
-
-    #### Install zeroMQ and pyZMQ messaging system ####
-    $ yum install -y uuid-devel
-    $ yum install -y pkgconfig
-    $ yum install -y libtool
-    $ yum install -y gcc-c++
-    $ wget http://download.zeromq.org/zeromq-4.0.5.tar.gz
-    $ tar xzvf zeromq-4.0.5.tar.gz
-    $ cd zeromq-4.0.5
-    $ ./configure
-    $ make
-    $ make install
-    $ echo /usr/local/lib > /etc/ld.so.conf.d/local.conf
-    $ ldconfig 
-    $ pip install pyzmq
-
-    #### Install pyQT4 ####
-    $ yum install -y PyQt4
-    $ yum install -y qt qt-demos qt-designer qt4 qt4-designer
-
-
-    ### Running Ground System ###
-    $ python GroundSystem.py
+    $ python3 GroundSystem.py
+
+
+Historically included instructions for running on Mac or CentOS, but instructions have not been maintained.  
+Welcoming instruction contributions if any of these are your platform of choice.
 
 
 ##############################################################################
@@ -104,7 +60,7 @@ Steps to adding application commands to the Ground System:
 
 2) Run CHeaderParser
     2.1) Call CHeaderParser using python
-            ~$ python CHeaderParser.py
+            ~$ python3 CHeaderParser.py
     2.2) The program will prompt you to enter a filename for the application.
             This will create a pickle file for your application named CommandFiles/<user_defined_name>. Notice that this file will be stored in the CommandFiles directory. This same filename will be used in command-pages.txt later.
     2.3) Type 'yes' if any commands in your application have parameters
@@ -145,9 +101,9 @@ Issue: Cannot Send Command, receiving the following error:
 >    Traceback (most recent call last):
 >      File "Parameter.py", line 100, in ProcessSendButton
 >        subprocess.Popen(cmd_args, stdout=subprocess.PIPE)
->      File "/usr/lib/python2.6/subprocess.py", line 642, in __init__
+>      File "/usr/lib/python3.7/subprocess.py", line 642, in __init__
 >        errread, errwrite)
->      File "/usr/lib/python2.6/subprocess.py", line 1234, in _execute_child
+>      File "/usr/lib/python3.7/subprocess.py", line 1234, in _execute_child
 >        raise child_exception
 >    OSError: [Errno 8] Exec format error
 
@@ -157,7 +113,7 @@ To fix this problem, use the Makefile inside of the cmdUtil directory to compile
 $ cd Subsystems/cmdUtil
 $ make
 $ cd ../..
-$ python GroundSystem.py
+$ python3 GroundSystem.py
 
 -----------------------------------------------------------------------------
 

Subsystems/cmdGui/CHeaderParser-hdr-paths.txt

@@ -13,5 +13,5 @@
 #   This program does support relative paths but if the program cannot 
 #	find your header files, try using absolute paths.
 #
-#../../../../../apps/to_lab/fsw/src/to_lab_msg.h
-#../../../../../apps/ci_lab/fsw/src/ci_lab_msg.h
+#../../../../apps/to_lab/fsw/src/to_lab_msg.h
+#../../../../apps/ci_lab/fsw/src/ci_lab_msg.h