Fix jumping between definitions in the same buffer.

Fixes #632.
Merge pull request #634 from cichli/master

Fix jumping between definitions in the same buffer.
Fix #636.
Merge pull request #638 from cichli/patch-1

Fix `cider-stacktrace-navigate`.
Changes to the code that handles errors.  There was a free/unbound variable.  Looks like a copy paste bug.

Note I am not sure how this ever really worked.
Merge pull request #641 from violahs/master

Changes to the code that handles errors.
[Fix #637] Ensure stacktrace presents exceptions with nil message.

Also, add `cider-test-report-buffer` to `cider-ancilliary-buffers`.
Merge pull request #642 from jeffvalk/master

[Fix #637] Ensure stacktrace presents exceptions with nil message.
Bind cider-jump-to-resource to C-c M-.
Fix markdown syntax
Adopt a more consistent format for the changelog
Fix a typo
Minor tweak
Fix cider-jump-to-resource's keybinding
Fix another typo

Today is definitely not my day...
[Fix #640] Add instructions for using CIDER with embedded nREPL servers
Restore errantly removed 'cider-stacktrace-face'.
Merge pull request #644 from jeffvalk/master

Restore errantly removed 'cider-stacktrace-face'.
Refine a bit cider-jump-to-resource
Fix a docstring