Fix a couple typos in comments. (TestTools-00-07-08)

AtlasTest/TestTools/TestTools/FLOATassert.h

AtlasTest/TestTools/TestTools/SGassert.h

AtlasTest/TestTools/TestTools/expect_exception.h

AtlasTest/TestTools/TestTools/initGaudi.h

AtlasTest/TestTools/TestTools/random.h

AtlasTest/TestTools/cmt/Makefile.RootCore

AtlasTest/TestTools/cmt/requirements

AtlasTest/TestTools/doc/MainPage.h

AtlasTest/TestTools/python/__init__.py

AtlasTest/TestTools/python/iobench.py

...estTools/scripts/nightlies/CppUnitSGServiceTestExample.sh

AtlasTest/TestTools/scripts/nightlies/CppUnitTestExample.sh

AtlasTest/TestTools/scripts/nightlies/TestHelloWorld.sh

AtlasTest/TestTools/scripts/nightlies/TestHelloWorld_XML.xml

...est/TestTools/scripts/nightlies/TestHelloWorld_script.xml

AtlasTest/TestTools/share/IoAuditor_fragment.py

AtlasTest/TestTools/share/post.sh

AtlasTest/TestTools/share/runUnitTests.sh

AtlasTest/TestTools/src/initGaudi.cxx

AtlasTest/TestTools/test/test_iobench.py