boost version adjusted to match package available in fc16
typo fix
autoconf/make fix to let it build with boost 1.47.0 _and_ 1.49.0
fix to let it build with boost 1.48.0 (on Fedora 17)
boost version / platform-dependency fixes
automake/autoconf fixes
Readme version fix
configure fix (name clash), minor test code fix (backward-compat)
isolate librt dependency, minor script correcttion.
Merge remote-tracking branch 'assembla/master' into temp

Conflicts:
	configure.ac
	test/Makefile.am
	test/test_persist_blob.cpp
	test/test_robust_mutex.cpp
Merge branch 'master' of git.assembla.com:util
decreasing boost minimum version to 1.41.0 for CentOS 6.3
fixes for gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC)
Fixed ftoa conversion function
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