Update README

README.md

-ManateeCoin is a next-generation cryptocurrency backed by manatees
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+ManateeCoin is a next-generation cryptocurrency backed by manatees.
+
+
+## Building ManateeCoin
+
+### On *nix
+
+Dependencies: GCC 4.7.3 or later, CMake 2.8.6 or later, and Boost 1.55.
+
+You may download them from:
+
+* http://gcc.gnu.org/
+* http://www.cmake.org/
+* http://www.boost.org/
+* Alternatively, it may be possible to install them using a package manager.
+
+```
+mkdir build
+cd build
+cmake ..
+make
+```
+
+The resulting executables can be found in `build/release/src`.
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