Jirafs

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* Fixes a bug in which search results from ``search_users`` were not
being displayed. (Issue 61)
* Fixes another field deletion/addition problem relating to Issue 59
(see release notes for 2.1.3 for more).

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* Fixes a bug preventing the ``match`` subcommand from being able
to properly obtain field values. (Issue 60)
* Fixes a bug that would cause an exception to be raised when calculating
field differences if one's Jira instance either added or removed fields
between different ticketfolder versions. (Issue 59)

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* Fixes several minor bugs relating to issue previews including:

* In certain situations, the preview automatic change detection
would become stuck in a loop causing the page to refresh
continuously.
* Preview document was not delivered with an UTF-8 charset,
so non-latin-1 characters would be mangled.
* Changes to Jira fields would not be refreshed when rendering
preview after submitting changes.
* Insufficient whitespace between comments may cause Jira to
misinterpret headers as part of a previous comment's bulleted
list.

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* Fixes bug that would cause an unhelpful traceback to be displayed if you
were to run Jirafs commands outside of a ticketfolder.

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* Fixes to various bugs relating to merging upstream changes
from Jira with un-pushed local changes.

* User is now warned about conflicts were they to occur when merging-in
upstream changes.
* Conflicts are displayed on the ``status`` display should they exist,
including instructions about how to resolve them.

* Additional polish for 'preview' function including:

* Fixes to exception display in-console for harmless errors resulting
from clients navigating away.
* Defaulting behavior such that server will automatically self-terminate
when the user navigates away. If this behavior is not desired,
a command-line argument ``--serve-forever`` is available.
* Adding display of comments for 'all' preview mode.
* Adds links allowing you to jump to the specific section you're interested
in when in the 'all' preview mode.

* Macro reversal changes for ``comments.read_only.jira``: No longer will
macros be reversed for read-only files given that the content of
historical comments cannot be changed.
* Users can now set a preferred date format by setting a configuration
value ``main.date_format``.
* Obsolete and undocumented "Clone" functionality allowing you to clone
a Jira ticketfolder from a git repository (instead of directly from
a Jira issue) was removed.
* Jira server URL inference when cloning by using an issue number instead
of a ticket URL is improved to be more foolproof.

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* Major revamping of Plugin API to allow for more-reliable
macro application and reversal, among other optimizations.
* New 'preview' command allowing you to preview content entered
in any field for quickly verifying formatting and macro-generated content.
* Changes & improvements across the board.