v1.2.1 - Fixed issue w/ native lib parsing.

In 1.12.2, some natives do not provide a rules
object and instead just omit the classifier
from the natives object. We now check for that.

Updated electron to v3.0.12.

app/assets/js/processbuilder.js

@@ -365,7 +365,7 @@ class ProcessBuilder {
         fs.ensureDirSync(tempNativePath)
         for(let i=0; i<libArr.length; i++){
             const lib = libArr[i]
-            if(Library.validateRules(lib.rules)){
+            if(Library.validateRules(lib.rules, lib.natives)){
                 if(lib.natives == null){
                     const dlInfo = lib.downloads
                     const artifact = dlInfo.artifact