Better issue template

ISSUE_TEMPLATE.md

@@ -1,4 +1,14 @@
---- REMOVE THIS LINE AFTER READING IT: Please open an issue only to report faults and bugs. For questions, comments and feature requests instead visit http://community.opendronemap.org/c/webodm. Every issue needs to follow the format specified below. Do not remove the questions, simply answer each question by typing below it. If you don't know how to answer a question, write so. Questions that don't follow these guidelines will be automatically closed.
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+PLEASE REMOVE THIS NOTE AFTER READING IT!
+
+First of all, thank you for taking the time to report an issue.
+
+Before you continue, make sure you are in the right place. Please open an issue only to report faults and bugs. For questions, comments and feature requests, the proper place is to open a topic on http://community.opendronemap.org/c/webodm. 
+
+Also, is your problem listed in the [Common Troubleshooting](https://github.com/OpenDroneMap/WebODM#common-troubleshooting)? If so, do not open an issue. We already know about it and steps to solve it are listed there.
+
+Every issue needs to follow the format specified below. Do not remove the questions, simply answer each question by typing below it. If you don't know how to answer a question, write so. Questions that don't follow these guidelines will be automatically closed by our friendly IssueBot (who's not very smart and needs to see a particular format to keep an issue open).
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 ### How did you install WebODM? (Docker, natively, ...)?