Merged be.restructure, major internal reorganization.

Added a bunch of classes to make the commands, user interfaces, and
storage backends more abstract and distinct.  This should make it much
easier to extend and maintain BE.

Features:
 * Directory restructured:
   becommands/ -> libbe/commands
   submods sorted by functionality.
 * Lots of new classes:
   Option, Argument, Command
   InputOutput, StorageCallbacks, UserInterface
   Storage
 * Consolidated ID handling in libbe.util.id
 * Transitioned VCS backends for Python-based VCSs from subprocess
   calss to internal python calls.

Plus the user-visible changes:
 * New bugdir/bug/comment ID format replaces old bug:comment format.
 * Deprecated support for `be diff` on Arch and Darcs <= 2.3.1.  A new
   backend abstraction (Storage) makes the former implementation
   ungainly.
 * Improved command completion.
 * Removed commands close, open, email_bugs, 
 * Flipped some arguments
   `be assign BUG-ID [ASSIGNEE]` -> `be status ASSIGNED BUG-ID ...`
   `be severity BUG-ID SEVERITY` -> `be severity SEVERITY BUG-ID ...`
   `be status BUG-ID STATUS` -> `be status STATUS BUG-ID ...`

In the merge:
  * Added 'commit' to list of pagerless commands.
  * Updated doc/README.dev

See
#bea86499-824e-4e77-b085-2d581fa9ccab/1100c966-9671-4bc6-8b68-6d408a910da1#
for a discussion of why the changes were made and some of the
difficulties en-route.

2 files changed, 51 insertions, 0 deletions

diff --git a/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/body b/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/body
new file mode 100644
index 0000000..a916904
--- /dev/null
+++ b/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/body
@@ -0,0 +1,37 @@
+On Sat, Jul 18, 2009 at 06:00:46PM -0400, Chris Ball wrote:
+>    > For example, let's assume we have target a, b, c There is a way
+>    > to know that "a" is a past target, "b" is the current target and
+>    > "c" is a future target ?
+> 
+> We could add a "date due" field for each target.
+
+Another option would be a "blocked by" field, since you might miss
+deadlines, or have parallel targeted branches.  Or just pick target
+names following some scheme so the alphanumeric-sort is also a
+dependency-order sort ;).
+
+>    > More: there is a way to know if a target is closed or open ?
+
+There's also
+  $ be list --target 0.1
+If there are active bugs, the target is open.  Otherwise, you must have
+made it ;).
+
+> We could add a "target close" operation that moves all open bugs
+> assigned to one target to the next date-due target.
+
+for bug in `be list --target 0.1 --uuids`; do
+  be target $bug $NEXT_TARGET
+done
+
+To avoid the loop, we could change status, severity, target, etc from
+  be COMMAND BUG ARG
+to
+  be COMMAND ARG BUG [MORE BUGS ...]
+
+-- 
+This email may be signed or encrypted with GPG (http://www.gnupg.org).
+The GPG signature (if present) will be attached as 'signature.asc'.
+For more information, see http://en.wikipedia.org/wiki/Pretty_Good_Privacy
+
+My public key is at http://www.physics.drexel.edu/~wking/pubkey.txt
diff --git a/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/values b/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/values
new file mode 100644
index 0000000..0f4ff0a
--- /dev/null
+++ b/.be/bea86499-824e-4e77-b085-2d581fa9ccab/bugs/22b6f620-d2f7-42a5-a02e-145733a4e366/comments/9bbe9370-99c7-4d7c-80ee-9ade6b6feb9f/values
@@ -0,0 +1,14 @@
+Alt-id: <20090718222701.GA304@mjolnir.home.net>
+
+
+Author: W. Trevor King <wking@drexel.edu>
+
+
+Content-type: text/plain
+
+
+Date: Sat, 18 Jul 2009 18:27:01 -0400
+
+
+In-reply-to: 6555a651-5a7f-4a8a-9793-47ad1315e9e8
+