Log Message:
2014-03-08 Userspace RCU 0.8.4
        * Fix: move wait loop increment before first conditional block

2014-03-01 Userspace RCU 0.8.3
        * Fix: high cpu usage in synchronize_rcu with long RCU read-side C.S.

2014-02-28 Userspace RCU 0.8.2
        * Fix: out of tree build: doc/examples
        * Fix: out of tree build tests/common
        * tests/unit: use lib rather than source
        * automake: Rename INCLUDES to AM_CPPFLAGS (new name)
        * tests regressions: use lib rather than recompile from source
        * tests: use common lib rather than recompile compat sources
        * urcu tests: use lib rather than compile from source
        * urcu mb tests: use lib rather than recompile from source
        * urcu signal tests: use library rather than recompile source
        * tests: move yield debug to common test library
        * tests urcu bp: use lib rather than recompile source
        * test_urcu_defer: link on urcu lib rather than recompile source
        * tests/benchmark: use urcu qsbr lib rather than recompile from source
        * Pass the CC variable to the example Makefiles
        * Fix: urcu-bp interaction with threads vs constructors/destructors
        * Fix undefined NULL pointer arithmetic
        * Blacklist ARM gcc 4.8.0, 4.8.1, 4.8.2
        * rculfhash: document max_nr_buckets = 0