TSessionViewer:

New Session Manager GUI Tool allowing :
 - The configuration, selection and connection to one or several Proof servers.
 - The possibility to browse chains in in memory, or creation of new ones.
 - The creation of queries, using chains and selectors.
 - Offers all the Proof functionality, but in a graphical way.

TSessionLogView:
 - Window allowing to display sessions and queries logs.

TNewQueryDlg
 - Dialog used for the creation and edition of queries.

TNewChainDlg
 - Dialog allowing to browse chains in memory, and to create new ones
   by executing user's macros.


git-svn-id: http://root.cern.ch/svn/root/trunk@12789 27541ba8-7e3a-0410-8455-c3a389f83636