* Adding arguments to specify the working directory and whether the script should try to commit at the end. * Redirecting doxygen output to a last_run_output.txt file. * Maintaining backwards compatibility.
* Adding arguments to specify the working directory and whether the script should try to commit at the end.
* Redirecting doxygen output to a last_run_output.txt file.
* Maintaining backwards compatibility.

Context-
This CL is a preparatory CL for the housekeeping slave. The slave will use this script to update Doxygen docs. The script will not be used to commit and instead the slave will call AddMergeIntoSvn to commit.
Review URL: https://codereview.appspot.com/6348076

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@4495 2bbb7eff-a529-9590-31e7-b0007b416f81

Hankuo/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,hbwhlklive/color-emoji.skia,Hankuo/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,Hankuo/color-emoji.skia,Hankuo/color-emoji.skia,Hankuo/color-emoji.skia,hbwhlklive/color-emoji.skia,Frankie-666/color-emoji.skia,Hankuo/color-emoji.skia,hbwhlklive/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,Frankie-666/color-emoji.skia,hbwhlklive/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,hbwhlklive/color-emoji.skia,hbwhlklive/color-emoji.skia