Add README for Eclipse

README_Eclipse_MacOSX

+Installation of Eclipse (Kepler) on MacOSX, with plugins for SCons, Git, GitHub, and Python
+
+1.  Install Eclipse
+
+There exists an Eclipse plugin for SCons, called SConsolidator.  As of January, 2014, this
+plugin works only with the Kepler version of Eclipse.  To download and install this version
+of Eclipse, go to:
+
+http://www.eclipse.org/downloads/packages/eclipse-ide-cc-developers/keplersr1
+
+and download the MacOSX (Cocoa 64) version.  The file should be called:
+
+eclipse-cpp-kepler-SR1-macosx-cocoa-x86_64.tar.gz
+
+Unpack this somewhere in your own user space.  I chose to install it directly underneath
+my home directory, but of course you can install it where you like.
+
+$ cd
+$ sudo tar -xvzf ~/Downloads/eclipse-cpp-kepler-SR1-macosx-cocoa-x86_64.tar.gz
+
+Start up Eclipse from the command line with:
+
+$ ~/eclipse/eclipse
+
+You might also find it useful to add the Eclipse app to your dock, permanently, to make it
+easier to start up in the future.
+
+When you start up Eclipse, you will get a window asking you to choose a workspace.  The
+default is usually /Users/****/Documents/workspace.  This is fine, but you might want to
+choose someplace else.  Make sure to click the "Use this as the default ..." radio button
+so that you won't get asked this every time.
+
+When Eclipse finally starts up, you can click on the "X" on the welcome page, and it
+should take you to the Project Explorer page.  This is the main view that you will
+probably end up using most of the time.
+
+2.  Install the SConsolidator Plugin
+
+In order for Eclipse to work with SCons, one has to install a plugin called SConsolidator.
+To do this, do the following:
+
+a) Go to Help->Install New Software
+b) In the Install window that comes up, in the "Work with" field, enter:
+
+http://www.sconsolidator.com/update
+
+and click on "Add..."
+c) Specify the name as "SConsolidator"
+d) Check the Eclipse Plug-In for SCons radio button, then hit Next> and follow the
+installation through.
+e) After the installation, Eclipse will need to be restarted, which it should do
+automatically.
+
+When Eclipse restarts, it will ask you about setting the path to SCons.  Set this up now.
+Check to see where SCons is installed by doing "which scons" from a terminal window.
+For me, it is in /usr/local/bin/scons, and so I entered that for the path to the SCons
+executable.  
+
+To change the SCons build options (at any time), you can go to Eclipse->Preferences, and
+then expand the SCons tag, to reveal options for Build Settings, Performance vs. Accuracy,
+and Warnings.  In particular, if you want to build the standalone executables, you can add
+'standalone=1' to the SCons Options in Build Settings.
+
+3. Install PyDev for Python Support
+
+PyDev includes a nice Python editor with appropriate syntax highlighting, as well as
+providing the "mouse-over" documentation features of Eclipse for those things that
+are written in Python - namely SCons.
+
+As of this writing, Eclipse Kepler does not play so nicely with PyDev-3.X, and so we
+will install PyDev-2.X instead.  The reason may be related to issues with Java 1.6 vs. 1.7,
+in fact.
+
+a) Go to Help->Install New Software
+b) In the Install window that comes up, in the "Work with" field, enter:
+
+http://pydev.org/updates
+
+and click on "Add..."
+c) Specify the name as "PyDev" and hit return
+d) IMPORTANT:  Uncheck the radio button to show versions other than the latest version
+in the bottom portion of this window.
+e) Look for the PyDev for Eclipse Version 2.8.2, and check this radio button.
+d) Proceed with the installation.
+e) IMPORTANT:  At some point it may ask you to allow a certain security certificate - you
+actually have to check the radio button in the top part of the window and THEN accept the
+certificate.
+f) After the installation, Eclipse will need to be restarted, which it should do
+automatically.
+
+Restart Eclipse; you should now have access to PyDev. You should see it by going to 
+Eclipse->About Eclipse->Installation Details->Installed Software
+
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