Update issue templates (#71)

* Update issue templates

* Update bug_report.md

addressed @mithunvarma comments.

Author: Vikrant Shah

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,39 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**System Description**
+Camera Name and Model:
+Operating System:
+Spinnaker Version:
+ROS Version: 
+
+***Computer details***
+Processor:
+RAM:
+
+***Multiple Cameras Only***
+How is the triggering setup? Master/Slave or all slaves or all software triggered?
+
+For USB 3.0 cameras:
+On same USB 3.0 bus or different buses?
+Is the USB 3.0 hub externally powered?
+
+For Ethernet cameras: 
+How busy is the network, does the system work in grayscale, at a lower resoultion (binning) and framerate?
+
+**Do the cameras work with SpinView?**
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Error Messages**
+Copy and paste your error messages here
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.