Added script to extract stub for “release notes”

- gets last two commit hashes for the version file, gets the commit logs between those versions and parses out the messages

scripts/releaseNotes.py

@@ -0,0 +1,33 @@
+import os
+
+from scriptCommon import catchPath
+from scriptCommon import runAndCapture
+
+rootPath = os.path.join( catchPath, 'include/' )
+versionPath = os.path.join( rootPath, "internal/catch_version.hpp" )
+
+
+hashes = runAndCapture( ['git', 'log', '-2', '--format="%H"', versionPath] )
+lines = runAndCapture( ['git', 'log', hashes[1] + ".." + hashes[0], catchPath] )
+
+prevLine = ""
+messages = []
+dates = []
+for line in lines:
+    if line.startswith( "commit"):
+        pass
+    elif line.startswith( "Author:"):
+        pass
+    elif line.startswith( "Date:"):
+        dates.append( line[5:].lstrip() )
+        pass
+    elif line == "" and prevLine == "":
+        pass
+    else:
+        messages.append( line )
+        prevLine = line
+
+print "All changes between {0} and {1}:\n".format( dates[-1], dates[0] )
+
+for line in messages:
+    print line

scripts/scriptCommon.py

@@ -1,4 +1,21 @@
 import os
 import sys
+import subprocess
 
-catchPath = os.path.dirname(os.path.realpath( os.path.dirname(sys.argv[0])))
+catchPath = os.path.dirname(os.path.realpath( os.path.dirname(sys.argv[0])))
+
+def runAndCapture( args ):
+    child = subprocess.Popen(" ".join( args ), shell=True, stdout=subprocess.PIPE)
+    lines = []
+    line = ""
+    while True:
+        out = child.stdout.read(1)
+        if out == '' and child.poll() != None:
+            break
+        if out != '':
+            if out == '\n':
+                lines.append( line )
+                line = ""
+            else:
+                line = line + out
+    return lines