README: Added note about using Visual Studio projects out of git repository

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   The projects files also support build configurations that require third

   party dependencies such as openssl and ssh2. If you wish to support these,

   party dependencies such as OpenSSL and SSH2. If you wish to support these,

   you will also need to download and compile those libraries as well.

   To support compilation of these libraries using different versions of

   <configuration> - The target configuration (For example: DLL Debug,

                     LIB Release - LIB OpenSSL)

   If you are using the source code from the git repository, rather than a

   release archive or nightly build, you will need to generate the project

   files. Please run "generate -h" for usage details. 

   Should you wish to help out with some of the items on the TODO list, or

   find bugs in the project files that need correcting, and would like to

   submit updated files back then please note that, whilst the solution files

   can be edited directly, the templates for the project files (which are 

   stored in the git repositoty) will need to be modified rather than the

   generated project files that Visual Studio uses.

TODO

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