Update READMEs.

README.md

@@ -1,11 +1,16 @@
 IfcOpenShell 
 ============
-open source (LGPL) software library for working with the IFC file format
+Open source (LGPL) software library for working with the IFC file format.
 
 [http://ifcopenshell.org](http://ifcopenshell.org)  
 [http://academy.ifcopenshell.org](http://academy.ifcopenshell.org)
 
 
+Prerequisites
+=============
+* Git, CMake (2.6 or newer), Visual Studio 2008 or newer (Windows), or GCC (*nix, Clang untested).
+
+
 Dependencies
 ============
 * [Boost](http://www.boost.org/)
@@ -18,32 +23,34 @@ Dependencies
   For IfcConvert to be able to write tessellated Collada (.dae) files
 * [SWIG](http://www.swig.org/), [Python](https://www.python.org/) libraries *optional*  
   For building the IfcOpenShell Python interface and the Blender add-on
-* 3ds max SDK *optional*  
-  For building the 3ds max plug-in
+* 3ds Max SDK *optional*  
+  For building the 3ds Max plug-in
 
 
 Compiling on Windows
 ====================
-Users are advised to use the Visual Studio .sln file in the win/ folder.
-For Windows users a prebuilt Open CASCADE version is available from the
-http://opencascade.org website. Download and install this version and
-provide the paths to the Open CASCADE header and library files to MS
-Visual Studio C++.
+Users are advised to build IfcOpenShell using the CMake file provided in
+the cmake/ folder.
 
-For building the Autodesk 3ds Max plugin, the 3ds Max SDK needs to be
-installed as well as 3ds Max itself. Please provide the include and
-library paths to Visual Studio.
+The preferred way to fetch and build this project's dependencies is to use the build scripts
+in win/ folder. See win/readme.txt for more information. Instructions in a nutshell
+(assuming Visual Studio x64 environment variables set):
+    > git clone https://github.com/Tridify/IfcOpenShell.git
+    > cd oce\win
+    > build-deps.cmd (defaults to using VS 2015 x64 RelWithDebInfo build)
+    > run-cmake.bat (defaults to using VS 2015 x64)
+    > copy-runtime-deps.bat (defaults to using RelWithDebInfo)
+    > ..\build-vs2015-x64\IfcOpenShell.sln
+You can now build the solution using the RelWithDebInfo configuration
+You can also build the INSTALL project if wanted
 
-For building the IfcPython wrapper, SWIG needs to be installed. Please
-download the latest swigwin version from http://www.swig.org/download.html.
-After extracting the .zip file, please add the extracted folder to the PATH
-environment variable. Python needs to be installed, please provide the
-include and library paths to Visual Studio.
+Alternatively, the old Visual Studio solution and project files requiring manual work can
+be found from the win/sln folder.
 
 
 Compiling on *nix
 =================
-Users are advised to build IfcOpenShell using the cmake file provided in
+Users are advised to build IfcOpenShell using the CMake file provided in
 the cmake/ folder. There might be an Open CASCADE package in your operating
 system's software repository. If not, you will need to compile Open 
 CASCADE yourself. See http://opencascade.org.

win/readme.txt

@@ -16,7 +16,7 @@ which are listed in the usage instructions. Either edit the script file or set t
 running the script.
 
 build-deps.cmd expects a CMake generator as %1 and a build configuration type as %2. If the parameters
-are not provided, the default values are used ("Visual Studio 12 Win64" and RelWithDebInfo respectively).
+are not provided, the default values are used ("Visual Studio 14 2015 Win64" and RelWithDebInfo respectively).
 A build type (Build/Rebuild/Clean) can be provided as %3, if wanted (defaults to Build). See vs-cfg.cmd
 if you want to change the defaults. The batch file will create deps\ and deps-vs<VERSION>-<ARCHITECTURE>-installed\
 directories to the project root. Note that currently only libraries for one build configuration type

win/sln/readme.txt

@@ -0,0 +1,16 @@
+Original information from the README.md:
+
+For Windows users a prebuilt Open CASCADE version is available from the
+http://opencascade.org website. Download and install this version and
+provide the paths to the Open CASCADE header and library files to MS
+Visual Studio C++.
+
+For building the Autodesk 3ds Max plugin, the 3ds Max SDK needs to be
+installed as well as 3ds Max itself. Please provide the include and
+library paths to Visual Studio.
+
+For building the IfcPython wrapper, SWIG needs to be installed. Please
+download the latest swigwin version from http://www.swig.org/download.html.
+After extracting the .zip file, please add the extracted folder to the PATH
+environment variable. Python needs to be installed, please provide the
+include and library paths to Visual Studio.