Second Y axis in TChart

Original Reporter info from Mantis: FoxTail

• Reporter name: Kupreitchik Andrei

Description:

There is no second Y axis in TChart

Thought a lot about how to solve this trouble with less modifications...
But to add new axis it was needed to rebuild some things in how tchart works with coordinates...

Patches for tagraph.pas, taseries.pas, tatypes.pas attached

Additional information:

Patch removes totally unused property MirrorX
Patch also removes Extent property from TChart in favor of Axis Min/Max

P.S. Patches are made basing on revision 20222 with Margins and BackColor patches applied

Mantis conversion info:

• Mantis ID: 13832
• Version: 0.9.27 (SVN)
• Fixed in revision: 26927 (#275ed478)
• Target version: 0.9.30