More fixes for Hob

These patches are to:
- change parse_config API from async to sync for image types and remembering layers
- fix the image types
- add proxy support
- remember settings and layers between Hob runs with template
- fix two UI bugs in the build log screen
- extend the timeout for piping.
- etc.

The following changes since commit 8dda137c12d284304a5b3e6693732b00f2b5553f:

Hob: Revert interfaces of callbacks for layer_button, view_recipes_button, and view_packages_button. (2012-03-22 14:43:51 +0000)

are available in the git repository at:
git://git.pokylinux.org/poky-contrib shane/hob-fixes-continue
http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=shane/hob-fixes-continue

Dongxiao Xu (4):
command.py: Change parseConfigurationFiles API from async to sync process.py: Increase the timeout value for polling commands
Hob: Change parseConfigurationFiles API usage
Hob: Fix the workaround to get image types

Liming An (2):
Hob: reset the policy to forbid the horizontal scrolling for building
log
Hob: add auto scroll to rows which be new appended in hob building
log page

Shane Wang (2):
Hob: allow users to setup the proxies
Hob: remember the settings between Hob sessions

 bitbake/lib/bb/command.py                    |   17 ++--
 bitbake/lib/bb/server/process.py             |    2 +-
 bitbake/lib/bb/ui/crumbs/builddetailspage.py |   17 +++-
 bitbake/lib/bb/ui/crumbs/builder.py          |  139 +++++++++++++++++++++++--
 bitbake/lib/bb/ui/crumbs/hig.py              |   94 +++++++++++++++--
 bitbake/lib/bb/ui/crumbs/hobeventhandler.py  |   28 ++++--
 bitbake/lib/bb/ui/crumbs/hobwidget.py        |   24 +++++
 bitbake/lib/bb/ui/crumbs/runningbuild.py     |    7 +-
 bitbake/lib/bb/ui/crumbs/template.py         |   55 +++++++---
 bitbake/lib/bb/ui/hob.py                     |    3 +-
 10 files changed, 319 insertions(+), 67 deletions(-)

1.7.6