Fixed posix default foregroud color to use 39/default instead of...

Fixed posix default foregroud color to use 39/default instead of 37/light-gray, since was very hard to see on some dark background terminals.
Added Gemfile.lock for rubygems bundle environment consistency.

Gemfile.lock

+GEM
+  remote: http://rubygems.org/
+  specs:
+    rake (10.3.2)
+    test-unit (2.4.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rake
+  test-unit (= 2.4.3)

auto/colour_prompt.rb

@@ -2,7 +2,7 @@
 #   Unity Project - A Test Framework for C
 #   Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
 #   [Released under MIT License. Please refer to license.txt for details]
-# ========================================== 
+# ==========================================
 
 if RUBY_PLATFORM =~/(win|w)32$/
 	begin
@@ -21,14 +21,14 @@ end
 
 class ColourCommandLine
   def initialize
-    if RUBY_PLATFORM =~/(win|w)32$/  
+    if RUBY_PLATFORM =~/(win|w)32$/
       get_std_handle = Win32API.new("kernel32", "GetStdHandle", ['L'], 'L')
       @set_console_txt_attrb =
       Win32API.new("kernel32","SetConsoleTextAttribute",['L','N'], 'I')
       @hout = get_std_handle.call(-11)
     end
   end
-  
+
   def change_to(new_colour)
     if RUBY_PLATFORM =~/(win|w)32$/
       @set_console_txt_attrb.call(@hout,self.win32_colour(new_colour))
@@ -36,10 +36,10 @@ class ColourCommandLine
 	  	"\033[30;#{posix_colour(new_colour)};22m"
 	 	end
   end
-  
+
   def win32_colour(colour)
     case colour
-      when :black then 0  
+      when :black then 0
       when :dark_blue then 1
       when :dark_green then 2
       when :dark_cyan then 3
@@ -59,22 +59,43 @@ class ColourCommandLine
         0
     end
   end
-	
+
 	def posix_colour(colour)
+    # ANSI Escape Codes - Foreground colors
+    # | Code | Color                     |
+    # | 39   | Default foreground color  |
+    # | 30   | Black                     |
+    # | 31   | Red                       |
+    # | 32   | Green                     |
+    # | 33   | Yellow                    |
+    # | 34   | Blue                      |
+    # | 35   | Magenta                   |
+    # | 36   | Cyan                      |
+    # | 37   | Light gray                |
+    # | 90   | Dark gray                 |
+    # | 91   | Light red                 |
+    # | 92   | Light green               |
+    # | 93   | Light yellow              |
+    # | 94   | Light blue                |
+    # | 95   | Light magenta             |
+    # | 96   | Light cyan                |
+    # | 97   | White                     |
+
 	  case colour
-      when :black then 30  
+      when :black then 30
       when :red, :failure then 31
       when :green, :success then 32
 			when :yellow then 33
       when :blue, :narrative then 34
       when :purple, :magenta then 35
       when :cyan, :output then 36
-      when :white, :default_white, :default then 37
+      when :white, :default_white then 37
+      when :default then 39
       else
-        30
+        39
     end
   end
-	
+
   def out_c(mode, colour, str)
     case RUBY_PLATFORM
 			when /(win|w)32$/
@@ -85,7 +106,7 @@ class ColourCommandLine
 			else
 				$stdout.puts("#{change_to(colour)}#{str}\033[0m") if mode == :puts
 				$stdout.print("#{change_to(colour)}#{str}\033[0m") if mode == :print
-		end			
+		end
   end
 end # ColourCommandLine