install man page

(cherry-pick from upstream 938f1c2d94)
* .gitignore: Ignore 'tags' file and 'build' directory.

(cherry-pick from upstream)
bin/bugz: migrate to logging module

Note from william:
I modified the import to only import the necessary routines and added a
log_info call when keyboard interrupt is used to stop bugz.

(cherry-pick 9ba4c167 upstream, complement my changes)
Add a URL parameter to post

Add support for -U URL and --url URL to the post
sub-command. Capitalize some of the parameter output.

(cherry-pick from upstream 89df25)
bugz/cli.py: Align bug status in search results for better readability

(cherry-pick from upstream)