first untested pass at DOI widget
SWC-534: hide promote version until we change behavior (so that it copies the version being promoted as the current version)
Merge pull request #259 from jay-hodgson/SWC-534

SWC-534: hide promote version until we change behavior (so that it copie...
SWC-461: a working, but hidden, DOI widget
SWC-461: merge with develop
fix build after merge
SWC-535: fix gwt tree item element padding-left
Merge pull request #263 from jay-hodgson/SWC-535

SWC-535: fix gwt tree item element padding-left
from code review:  clean up and increase refresh time from 10 to 13 seconds
Merge pull request #262 from jay-hodgson/SWC-461b

Swc 461b: DOI Widget
restyled
Merge pull request #264 from jay-hodgson/SWC-535

restyled
merged develop