encourage stackexchange in issue templates (#5737)

.github/ISSUE_TEMPLATE/bug-report.md

@@ -5,7 +5,9 @@ about: Using MetaMask, but it's not working as you expect?
 ---
 
 <!--
-BEFORE SUBMITTING: PLEASE SEARCH TO MAKE SURE THIS ISSUE HAS NOT BEEN SUBMITTED
+BEFORE SUBMITTING: 
+1) Please search to make sure this issue has not been opened already
+2) If this is a implementation question or trouble with your personal project, please post on StackExchange. This will get your question answered more quickly and make it easier for other devs to find the answer in the future. 
 -->
 
 **Describe the bug**
@@ -25,10 +27,9 @@ A clear description of what you expected to happen.
 If applicable, add screenshots to help explain your problem.
 
 **Browser details (please complete the following information):**
- - OS: [e.g. iOS]
+ - OS: [e.g. OS X, Windows]
  - Browser [e.g. chrome, safari]
- - MetaMask Version [e.g. 4.9.0]
- - Old UI or New / Beta UI?
+ - MetaMask Version [e.g. 5.0.2]
 
 **Additional context**
 Add any other context about the problem here.