sync-engine-shared - minor refactor
sync-engine-shared - isn't this returning null on exception?
Revert "sync-engine-shared - isn't this returning null on exception?"

This reverts commit 41199debf2f8c73630e524e29df3b7da1be87183.
sync-engine-shared - list finders should return Collections.emptyList() so callers know they'll always get something
LPS-43447 SF
SF
SOS-2040 Social Office dockbar Go To does not display properly in Internet Explorer 8
SOS-2040 SF
LPS-42733 Add a missed false parameter.
LPS-43687 Fix an infinite loop when requesting the parent folder of an ExtRepositoryObjectAdapter
LPS-43687 Remove getParentFolderId() method from ExtRepositoryObject as it is not needed for anything
LPS-43687 Fix an UnsupportedOperationException when performing a search
LPS-43687 Fix NPE and perform checkout+checkin when updating a file
LPS-43687 Checkout and checkin methods can throw UnsupportedOperationException if they are not supported by the external repositories. Then, for methods that are "collaterally" using checkout and checking they should be tolerant for that exception.
LPS-43687 SF
LPS-43682 Support creating web-type plugins in PluginsSDK
LPS-43682 an empty web.xml is not needed
LPS-43682 Sort this like we do in portlets/build.xml
LPS-43682 Match col 81
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