Minor PR comments

Removed a null check and intialised `this.context` to an empty object.

cmd/cmd_controller.js

@@ -14,7 +14,7 @@ class EmbarkController {
 
     // set a default context. should be overwritten by an action
     // method before being used
-    this.context = [constants.contexts.any];
+    this.context = {};
   }
 
   initConfig(env, options) {

embark-ui/src/reducers/selectors.js

@@ -53,7 +53,6 @@ export function getProcesses(state) {
 }
 
 export function getProcessLogs(state) {
-  if(!state.entities.processLogs.length) return [];
   const processLogsObj = state.entities.processLogs.reduce((processLogs, processLog) => {
     const existingProcessLog = processLogs[processLog.process];
     if(!existingProcessLog || processLog.timestamp > existingProcessLog.timestamp){