Created CMake based build system

* Adds CMakeLists.txt and support files

* Tests for installation of Boost and OpenSSL

* Adds LICENSE file
Merge branch 'dev' of github.com:Zerocoin/libzerocoin into dev
Updated CMake to add 'make install' and 'make uninstall'

* Installs libzercoin.so to $PREFIX/lib

* Installs Zerocoin headers to $PREFIX/include/zerocoin

* Installs bignum headers to $PREFIX/include/zerocoin/bitcoin_bignum

* Installs pkg-config file for library name 'zerocoin'
Merge pull request #7 from jmcorgan/cmake

Updated CMake to add 'make install' and 'make uninstall'
Fixing private coin serialization + test case

Private coin serialization would not work.
In fact, attempting to generate the template code result
in compliation errors due to failure to explicitly
invoke the constructor for it's public coin

This is now fixed and MintAndSpend now covers this test
Merge branch 'dev' of github.com:Zerocoin/libzerocoin into dev
Removed publicCoin::isValid()
Merge pull request #9 from bsloane1650/dev

Removed publicCoin::isValid()