source as-is from codeplex branch 4.2.x
upgraded clientapi to .net4, added clientapi to solution
fix deserialization exceptions - 'Invalid JSON primitive: .'
removed unused references
updated copyright info
update copyright info
add pdb to release mode configuration
SOCIAL-3606 and DNN-6072: fix for locked web.config file upon saving

Note: I found nothing related to the other issue (stored procedure not found) other than an error during the installation process that prevented this SPROC from being installed. Moreover, the log installation file didn't show any error.
DNN-6076 - copy file overwrite dest has to delete first
DNN-6071 - The method UpdateModule does not call UpdateModuleOrder if neither Order and Pane have changed
DNN-5943 - when a user tries to complete an state of a workflow that is already published, an exception is thrown.
DNN-5733 - marked TabVersion class as [Serializable]
DNN-5733 - marked more class as [Serializable] as a safeguard against serialization errors in the future.
Fixing Sebastian Leupold pull request (Commit hash: c53080fb13ccb7fcd47f2f2a4358f7d28c8dad2b) with a better fix in the base class code.
DNN-5943 - Added a new notification type to be sent when Workflows start
SOCIAL-3410  + DNN-6082: adding Callback handler for various relationship actions.

There is still work to be done in the SOCIAL source code to follow-up on these actions and award points to users.
SOCIAL-3537 + DNN-6082: added Page/Tab various actions.
SOCIAL-3537 + DNN-6082: added Module various actions.
Sample change to a file
Revert "Sample change to a file"

This reverts commit 20d26049377523e7d05ebc19124f598032b66ef7.
Sorry, accidentally pushed this commit.