Minor adjustment in CMakeLists.txt, as libunittest++.a now renamed libUnitTest++.a, consistent with official naming of current UnitTest++ release. Also re-added empty "inner" directories sqloxx and sqloxx/detail, which are necessary to ensure correct installation of headers.
Minor adjustment in CMakeLists.txt, as libunittest++.a now renamed libUnitTest++.a, consistent with official naming of current UnitTest++ release. Also re-added empty "inner" directories sqloxx and sqloxx/detail, which are necessary to ensure correct installation of headers.

git-svn-id: 06866f393b1a6e84a5b11d510e7aba86f09962a7@1018 ac3cbfda-f6ac-4daa-b570-d46c5f00fc98

skybaboon/sqloxx,skybaboon/sqloxx