Merge test suite.

testsuite/TODO

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+This testsuite is quite obviously a work in progress.  As such,
+there are a number of good extensions.  If you are looking for
+something to do, feel free to tackle one or more of the following:
+
+Buildroot support
+	Erik has put together a handy package for constructing and
+	testing busybox called buildroot.  Integrating this into
+	the testsuite would allow for greater test coverage (e.g.,
+	init, mount, and other privileged applications).
+
+BB_FEATURE support
+	BusyBox contains a number of features which are controlled
+	by compile-time defines.  A method to run tests based on
+	these features would be great.
+
+libbb unit testing
+	Being able to test the functions of libbb individually may
+	help to prevent regressions.
+
+Standardization
+	This testsuite is totally bastardized.  It would be better
+	to use an existing test framework, such as dejagnu, greg,
+	or a XUnit clone (shunit?).