SWC-1525
Depend on all of guava

This fixes wiki rendering problems on Linux.
shorten to simply Learn more
new step in upload, check for duplicate file name
Reverting back to old behavior (grabbing description field in every
case) when gathering the description for the EntityListWidget. No
markdown is processed. Non-deprecated entities appear to have blank
descriptions.
Ignored a test that counted on "getPlainTextWiki" being called.
Merge branch 'release-50' of ssh://github.com/Sage-Bionetworks/SynapseWebClient into release-50
fix link
Merge pull request #1069 from jay-hodgson/release-50

add link to blog post that explains the User Certification feature
Merge branch 'release-50' of ssh://github.com/Sage-Bionetworks/SynapseWebClient into develop
Merge pull request #1070 from jay-hodgson/develop

merge from release-50
revert changes to dropdown button and UL panel
Merge branch 'develop' into SWC-1535
throw NotFoundException if no File Entity with the same name is found, and add tests
init directUploadFileEntityId
Merge pull request #1071 from jay-hodgson/SWC-1535

Swc-1535: confirmation dialog if file name matches
SWC-1538 and SWC-1537
Merge pull request #1066 from RadicalZephyr/guava-fix

Depend on all of guava
Merge pull request #1074 from jay-hodgson/release-51

SWC-1538 and SWC-1537
Merge branch 'develop' of ssh://github.com/Sage-Bionetworks/SynapseWebClient into gwtbootstrap3