restructure; move code from tasks into libs

lib/blockchain.js

@@ -24,6 +24,8 @@ startChain = function(env) {
   }
 
   cmd += "--mine ";
+
+  //TODO: this should be configurable
   cmd += "--maxpeers 0 ";
 
   if (config.account.password !== void 0) {

lib/deploy.js

@@ -25,7 +25,6 @@ deployContracts = function(env, contractFiles, destFile) {
   console.log("address is : " + primaryAddress);
 
   result = "web3.setProvider(new web3.providers.HttpProvider('http://" + blockchainConfig.rpcHost + ":" + blockchainConfig.rpcPort + "'));";
-
   result += "web3.eth.defaultAccount = web3.eth.accounts[0];";
 
   contractDependencies = {};

test/test.js

@@ -0,0 +1,2 @@
+EmbarkSpec = require('../lib/test.js').Tests;
+