Use relative links in READMEs

compiler/README.md

@@ -99,4 +99,4 @@ If you run into build problems, send a message to the [Graal mailing list](http:
 
 ## License
 
-The Graal compiler is licensed under the [GPL 2](https://github.com/graalvm/graal/blob/master/compiler/LICENSE.md).
+The Graal compiler is licensed under the [GPL 2](LICENSE.md).

docs/README.md

@@ -1,16 +1,16 @@
 GraalVM is a project based in Oracle Labs developing a new JIT Compiler and Polyglot Runtime for the JVM.
 Further details can be found on the [OTN site](http://www.oracle.com/technetwork/oracle-labs/program-languages/overview/index.html).
 
-[Truffle](https://github.com/graalvm/graal/tree/master/truffle) is a framework for implementing languages as simple interpreters and forms the basis of the Polyglot Runtime. The official Truffle documentation is maintained as [Truffle javadoc](http://graalvm.github.io/graal).
+[Truffle](../truffle) is a framework for implementing languages as simple interpreters and forms the basis of the Polyglot Runtime. The official Truffle documentation is maintained as [Truffle javadoc](http://graalvm.github.io/graal).
 
-[Graal](https://github.com/graalvm/graal/tree/master/compiler) is a dynamic compiler written in Java that integrates with the HotSpot JVM.
+[Graal](../compiler) is a dynamic compiler written in Java that integrates with the HotSpot JVM.
 
-[Substrate VM](https://github.com/graalvm/graal/tree/master/substratevm) is a framework that allows ahead-of-time (AOT) compilation of Java applications under closed-world assumption into executable images or shared objects.
+[Substrate VM](../substratevm) is a framework that allows ahead-of-time (AOT) compilation of Java applications under closed-world assumption into executable images or shared objects.
 
 ## License
 
-[Truffle](https://github.com/graalvm/graal/tree/master/truffle) and its dependency [Graal SDK](https://github.com/graalvm/graal/tree/master/sdk) are licensed under the [GPL 2 with Classpath exception](https://github.com/graalvm/graal/blob/master/truffle/LICENSE.GPL.md).
+[Truffle](../truffle) and its dependency [Graal SDK](../sdk) are licensed under the [GPL 2 with Classpath exception](../truffle/LICENSE.GPL.md).
 
-The [Graal compiler](https://github.com/graalvm/graal/tree/master/compiler) is licensed under the [GPL 2](https://github.com/graalvm/graal/blob/master/compiler/LICENSE.md).
+The [Graal compiler](../compiler) is licensed under the [GPL 2](../compiler/LICENSE.md).
 
-The [Substrate VM](https://github.com/graalvm/graal/tree/master/substratevm) is licensed under the [GPL 2](https://github.com/graalvm/graal/blob/master/substratevm/LICENSE.md).
+The [Substrate VM](../substratevm) is licensed under the [GPL 2](../substratevm/LICENSE.md).

substratevm/README.md

@@ -145,4 +145,4 @@ If you pull a changeset which adds or removes checkstyle XML files, you may get
 
 ## License
 
-The Substrate VM is licensed under the [GPL 2](https://github.com/graalvm/graal/blob/master/substratevm/LICENSE.md).
+The Substrate VM is licensed under the [GPL 2](LICENSE.md).

tools/README.md

@@ -48,5 +48,4 @@ Detailed info can be found in the [contributing document](CONTRIBUTING.md).
 
 ## License
 
-The Tools are is licensed under the [GPL 2 with Classpath exception](https://github.com/graalvm/graal/blob/master/tools/LICENSE.GPL.md).
-
+The Tools are is licensed under the [GPL 2 with Classpath exception](LICENSE.GPL.md).

truffle/README.md

@@ -124,5 +124,5 @@ Detailed info can be found in the [contributing document](CONTRIBUTING.md).
 
 ## License
 
-The Truffle framework is licensed under the [GPL 2 with Classpath exception](https://github.com/graalvm/graal/blob/master/truffle/LICENSE.GPL.md).
+The Truffle framework is licensed under the [GPL 2 with Classpath exception](LICENSE.GPL.md).
 The SimpleLanguage is licensed under the [Universal Permissive License (UPL)](http://opensource.org/licenses/UPL).