Adding a couple files

ackrc

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+--type-set=ruby=.haml,.rake,.rsel
+--type-set=smarty=.tpl
+--type-set=cakeview=.ctp,.thtml

colordiffrc

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+# Settings from: http://blog.philippklaus.de/2011/09/colourful-svn-diff-on-mac-os-x/
+#
+# Set banner=no to suppress authorship info at top of
+# colordiff output
+banner=no
+# By default, when colordiff output is being redirected
+# to a file, it detects this and does not colour-highlight
+# To make the patch file *include* colours, change the option
+# below to 'yes'
+color_patches=no
+# available colours are: white, yellow, green, blue,
+# cyan, red, magenta, black,
+# darkwhite, darkyellow, darkgreen,
+# darkblue, darkcyan, darkred,
+# darkmagenta, darkblack
+plain=white
+newtext=darkgreen
+oldtext=darkred
+diffstuff=darkblue
+cvsstuff=darkwhite