Update readme to describe only the IDE part.

README.md

+# Browser-Solidity
 
-#Browser-solidity
+Browser solidity is a browser based solidity compiler and IDE.
 
-Browser solidity is a browser based solidity compiler and IDE. To use either visit [https://chriseth.github.io/browser-solidity](https://chriseth.github.io/browser-solidity) or clone/download this repo and open `index.html` in your browser.
+Visit [https://ethereum.github.io/browser-solidity](https://ethereum.github.io/browser-solidity) to use,
+it will always deliver the latest version.
 
-#Nodejs usage
+# Offline Usage
 
-To use the solidity compiler via nodejs you can install it via npm
+Full offline usage is currently not supported because the compiler is always
+loaded via http. If you clone or download the repository, you still have to
+build it before you can use it.
 
-	npm install solc
+# Building
 
-And then use it like so:
+Many dependencies are only provided via npm:
 
-	var solc = require('solc');
-	var input = "contract x { function g() {} }";
-	var output = solc.compile(input, 1); // 1 activates the optimiser
-	for (var contractName in output.contracts) {
-		// code and ABI that are needed by web3
-		console.log(contractName + ': ' + output.contracts[contractName].bytecode);
-		console.log(contractName + '; ' + JSON.parse( output.contracts[contractName].interface));
-	}
+    npm install    # fetch dependencies
+	npm run build  # build application into build/app.js
 
-Starting from version 0.1.6, multiple files are supported with automatic import resolution by the compiler as follows:
+Now point your browser to `index.html` to open the application.  
 
-	var solc = require('solc');
-	var input = {
-		'lib.sol': 'library L { function f() returns (uint) { return 7; } }',
-		'cont.sol': 'import "lib.sol"; contract x { function g() { L.f(); } }'
-	};
-	var output = solc.compile({sources: input}, 1);
-	for (var contractName in output.contracts)
-		console.log(contractName + ': ' + output.contracts[contractName].bytecode);
+# To use it as a chrome extension
 
-Note that all input files that are imported have to be supplied, the compiler will not load any additional files on its own.
-
-###Using a legacy version
-
-In order to allow compiling contracts using a specific version of solidity, the `solc.useVersion` method is available. This returns a new solc object using the version provided. **Note**: version strings must match the version substring of the files availble in `/bin/soljson-*.js`. See below for an example.
-
-	var solc = require('solc');
-	// by default the latest version is used
-	// ie: solc.useVersion('latest')
-
-	// getting a legacy version
-	var solcV011 = solc.useVersion( 'v0.1.1-2015-08-04-6ff4cd6' );
-	var output = solcV011.compile( "contract t { function g() {} }", 1 );
-
-#To use it as a chrome extension:
 Browse to chrome://extensions/
 
 Make sure 'Developer mode' has been checked. Then click 'Load unpacked extension...' to pop up a file-selection dialog.