Hippybot

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- Added an ability to use hippybot on self-hosted servers. See hipchat.conf.example for additional parameters.
- Some plugins want to already have bot's parsed config during the initialization, now if the constructor of the plugin class accepts the 'config' parameter the config will be passed a dict.
See hippybot/plugins/threaded_example.py for an example.

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- Quick fix for badly built tar pushed up to pypi.

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- `load_path` config option added to allow loading from paths outside of hippybot's source path,
hat tip: Claudio Mignanti (https://github.com/claudyus).

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- At-reply fixes to conform to HipChat's new <firstname><lastname> rules (hat tip: James Sullivan <jsullivancambridgecloudpartners.com>).
- Minor readme edit to fix typo and make `pip` the recommended method for installation from PyPi.

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- Made jabberbot >= 0.15 the minimum requirement to ensure ping timeout issue fix in upstream.

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- Replace symlinked daemon module for use with build scripts that can't use symlinks (hat tip: Steven Kryskalla <stevelolapps.com>).
- Override jabberbot's _last_send_time overcome ping timeouts on HipChat (hat tip: Paul Thomas <paul.thomashp.com>).
- Added new plugin flag to capture all XMPP message types.