Merging fixes from roxy: removed unused pid_directory attribute and fixed bug where image_cache_stall_timeout in gui is ignored [1/1]

This pull request merges in 2 fixes from roxy:
Fixed bug where image_cache_stall_timeout configured in GUI is ignored
https://github.com/crowbar/barclamp-glance/pull/154

Removed unused attribute from glance default.rb
https://github.com/crowbar/barclamp-glance/pull/155


 chef/cookbooks/glance/attributes/default.rb        |    1 -
 .../glance/templates/default/glance-cache.conf.erb |    2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

Crowbar-Pull-ID: ab6a83618007a615af626cd5e6131bdf9105521f

Crowbar-Release: hydrogen