add travis yml

.travis.yaml

@@ -0,0 +1,16 @@
+language: cpp
+os:
+	- linux
+env:
+	- ARCH="x86_64"
+install:
+	- wget http://www.llvm.org/releases/3.7.0/llvm-3.7.0.src.tar.xz 
+	- tar -xvf llvm-3.7.0.src.tar.xz
+	- cd llvm-3.7.0.src && mkdir build
+	- cd llvm-3.7.0.src/build && cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/LLVM37 -DLLVM_TARGETS_TO_BUILD="X86" ..
+	- cd llvm-3.7.0.src/build && make install
+script:
+	- mkdir build 
+	- cd build && cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_DIR=/tmp/LLVM37/share/llvm/cmake -G "Unix Makefiles" -DLLVM_JIT=ON ..
+    - cd build && make
+    - cd lua-5.3.1-tests && sh run_tests.sh ../build/lua	

readthedocs/ravi-overview.rst

@@ -294,8 +294,6 @@ Building Ravi
 -------------
 I am developing Ravi using Visual Studio 2015 Community Edition on Windows 8.1 64bit, gcc on Unbuntu 64-bit, and clang/Xcode on MAC OS X.
 
-
-
 Assuming that LLVM has been installed as described above, then on Windows I invoke the cmake config as follows::
 
   cd build