Master README file that points to all other documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9085 91177308-0d34-0410-b5e6-96231b3b80d8

README.txt

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+Welcome to LLVM!
+
+This file provides the location of all important LLVM documentation.  In
+particular, you should read the license information and the installation
+directions before you begin using LLVM.
+
+After that, there are several technical references that will help you use LLVM.
+Consult them as necessary.
+
+Finally, you can find information on how to communicate with the LLVM
+developers and LLVM community.  This is of primary interest if you wish to
+submit a bug, supply a patch, or just keep current with what's going on with
+LLVM.
+
+Introductory Literature:
+	License Information:
+		llvm/LICENSE.txt
+
+	Installation Instructions:
+		llvm/docs/GettingStarted.html
+
+	Release Notes:
+		llvm/docs/ReleaseNotes.html
+
+Technical Reference:
+	Command Documentation:
+		llvm/docs/CommandGuide/CommandGuide.html
+
+	Using the LLVM Test Suite:
+		llvm/docs/TestingGuide.html
+
+	LLVM Assembly Language:
+		llvm/docs/LangRef.html
+
+	LLVM Source Code Tree:
+		llvm/docs/ProgrammersManual.html
+
+	Coding Standards:
+		llvm/docs/CodingStandards.html
+
+LLVM Community:
+	Submitting a Bug:
+		llvm/docs/HowToSubmitABug.html
+
+	Mailing Lists:
+		There are several mailing lists providing LLVM users with information:
+
+			o LLVM Announcements List:
+			http://mail.cs.uiuc.edu/mailman/listinfo/llvm-announce
+
+				This is a low volume list that provides important announcements
+				regarding LLVM.  It is primarily intended to announce new
+				releases, major updates to the software, etc.  This list is
+				highly recommended for anyone that uses LLVM.
+
+
+			o LLVM Developers List:
+			http://mail.cs.uiuc.edu/mailman/listinfo/llvmdev
+
+				This list is for people who want to be included in technical
+				discussions of LLVM.  People post to this list when they have
+				questions about writing code for or using the LLVM tools.  It
+				is low volume.
+
+			o LLVM Commits List
+			http://mail.cs.uiuc.edu/mailman/listinfo/llvm-commits
+
+				This list contains all commit messages that are made when LLVM
+				developers commit code changes to the CVS archive.  It is
+				useful for those who want to stay on the bleeding edge of LLVM
+				development.
+
+				This list is very high volume.
+