Update the pull request and issue templates

- use smaller headings
- remove the checkboxes, as these imply that a choice is a set of things to be completed
- suggest that lines that don't apply are deleted

.github/ISSUE_TEMPLATE.md

@@ -1,26 +1,26 @@
 <!--- Provide a summary of the issue in the Title above -->
 <!--- Providing context helps us come up with a solution that is most useful in the real world -->
 
-## How would you expect it to work?
+#### How would you expect it to work?
 <!--- If you're describing a bug, tell us what should happen -->
 <!--- If you're suggesting a change/improvement, tell us how it should work -->
 
-## How does it work currently?
+#### How does it work currently?
 <!--- If describing a bug, tell us what happens instead of the expected behavior -->
 <!--- If suggesting a change/improvement, explain the difference from current behavior -->
 
-## Feel free to suggest a fix...
+#### Feel free to suggest a fix...
 <!--- Not obligatory, but suggest a fix/reason for the bug, -->
 <!--- or ideas how to implement the addition or change -->
 
-## Explain the steps to reproduce the bug
+#### Explain the steps to reproduce the bug
 <!--- Provide a link to a live example, or a set of steps. -->
 1.
 2.
 3.
 4.
 
-## Tell us about your environment
+#### Tell us about your environment
 <!--- Include as many relevant details about the environment you experienced the bug in -->
 * Version used:
 * Browser Name and version:

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,27 +1,24 @@
 <!--- Provide a summary of your changes in the Title above -->
 
-## What problem does the pull request solve?
+#### What problem does the pull request solve?
 <!--- Why is this change required? -->
 <!--- If it fixes an open issue, please link to the issue here. -->
 
-## What does it do?
-<!--- Describe your changes -->
-
-## How has this been tested?
+#### How has this been tested?
 <!--- Please describe in detail how you tested your changes. -->
 <!--- Include details of your testing environment, and the tests you ran to -->
 <!--- see how your change affects other areas of the code, etc. -->
 
-## Screenshots (if appropriate):
+#### Screenshots (if appropriate):
 
-## What type of change is it?
-<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
-- [ ] Bug fix (non-breaking change which fixes an issue)
-- [ ] New feature (non-breaking change which adds functionality)
-- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+#### What type of change is it?
+<!--- What types of changes does your code introduce? Delete the lines below that don't apply. -->
+- Bug fix (non-breaking change which fixes an issue)
+- New feature (non-breaking change which adds functionality)
+- Breaking change (fix or feature that would cause existing functionality to change)
 
-## Put an `x` in all the boxes that apply
-<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
-- [ ] My change requires a change to the documentation.
-- [ ] I have updated the documentation accordingly.
-- [ ] I have read the **CONTRIBUTING** document.
+#### Has the documentation been updated?
+<!--- Delete the lines below that don't apply -->
+- My change requires a change to the documentation.
+- I have updated the documentation accordingly.
+- I have read the **CONTRIBUTING** document.