Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: new issue
+assignees: flocke
+
+---
+
+Check if all requirements are fulfilled otherwise the issue will be closed without any comment
+
+  * Check the [FAQ](https://github.com/andOTP/andOTP/wiki/Frequently-Asked-Questions) and search the [already reported issues](https://github.com/andOTP/andOTP/issues) before opening a new one!
+  * Try again after clearing the apps data before posting (**don't forget to backup**)
+  * Fill in **all** the details below
+  * Record a logcat: https://goo.gl/mc71vk
+  * Bug reports without logcat will be closed (I can not reproduce every bug myself and I can not fix them without logs)
+  * Delete this entire info block
+
+-----------------------------
+
+#### General information
+
+* **App version:**
+* **App source:** Google Play / F-Droid / GitHub / ...
+* **Android Version:**
+* **Custom ROM:**
+
+#### Expected result
+**What is expected?** 
+
+**What does happen instead?**
+
+#### Logcat
+```
+Paste your logcat here (or use something like Pastbin for long logs)
+```
+
+#### Steps to reproduce
+ 
+ * ...