Added and improved READMEs for modules in sdk and testing

autodoc/README

+Create HTML pages from C++, Java and IDL inline documentation.
+
+Part of the SDK; to build you need to add --enable-odk.

cosv/README

+"Common Services" part of autodoc.
+
+Part of the SDK; to build you need to add --enable-odk.

odk/README

+Office development kit - implements the first step on the way to the LibreOffice SDK tarball.
+
+Part of the SDK; to build you need to add --enable-odk.

qadevOOo/README

+Testsuite.

smoketestoo_native/README

+Smoke test for each component of LibreOffice.

testtools/readme.txt → testtools/README

-How to check compatibility between compilers
-============================================
+Testing tools
+
+== How to check compatibility between compilers ==
 
 Since the interfaces used in the cpp bridgetest are not changed often
 one can just build the cppobj.uno.dll and the constructors.uno.dll
@@ -22,8 +23,7 @@ However, there is still a test which causes the test component to throw
 and IllegalArgumentException. This still works.
 
 
-Using source/bridgetest for stress testing
-==========================================
+== Using source/bridgetest for stress testing ==
 
 Start a modified bridgetest_server (with the final "--singleaccept" argument
 removed from the uno executable call) or a modified bridgetest_javaserver (with

udm/README

+Forms part of autodoc.
+
+Part of the SDK; to build you need to add --enable-odk.