a) author/committer emails on build page and b) PR on job page
show loading indicator on show-more button click
Merge pull request #194 from floydpink/build-job-page-fixes

Fix a couple of metadata items on build and job tabs
Merge pull request #195 from floydpink/show-more-button

Show loading indicator on 'Show More' click
merged with upstream-master

Signed-off-by: Floyd Pink <imbleedingme@googlemail.com>
merged with ember-model (07d2d1ff2a50b53bab7267eba478d4e44ea2e50f)

Signed-off-by: Floyd Pink <imbleedingme@googlemail.com>