CP-5604: Removed dedicated help button from the ManageUpdates dialog; use the base class help button instead. Changed column names on the alert datagridview of the AlertSummary and the ManageUpdates dialogs to match the column headers and facilitate future extraction of code shared by both of them.

Signed-off-by: Konstantina Chremmou <Konstantina.Chremmou@citrix.com>
CP-5604: Removed bottom alert actions ToolStrip since the information is duplicated by the right click menu (and will soon be on a separate DataGridView column).. Minor code tidy.

Signed-off-by: Konstantina Chremmou <Konstantina.Chremmou@citrix.com>
CP-5604: Moved right click menu functionality to a separate column on the alerts datagridview.

Signed-off-by: Konstantina Chremmou <Konstantina.Chremmou@citrix.com>
Merge remote-tracking branch 'origin/master'