Updates Windows document with missing information
about Cmake environment variables
Merge pull request #28 from BugFreeSoftware/windows_doc

Update Windows build document with missing information
add headers to cmake
Merge pull request #33 from da2ce7/cmake_inc_headers

add headers to cmake
Opentxs CLI commands separation
(split up the 97 commands in ot_commands_ot.cpp into 1 class per command)