Added methods for base64 encode/decode. These replace the cryptopp versions. Cryptopp errors on gcc 4.8 forced the change.
Added some further tests (including rfc compliance tests) and note a speed up of 3-4 times.
Update for base64 encoding and nodeid changes
style fixes
Revert "style fixes"

This reverts commit fe81c1c8abc5f50392e24588118ac1827c38d290.
Added minor update to CMakeLists.txt and removed CTestConfig.cmake.
Updated and removed some utility functions.
Fixed bug in crypto test.  Improved speed of encoding to and decoding from hex and base64.