gnucash maint: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/9ac2bb81 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/eac8aa34 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/af45de8a (commit)
	from  https://github.com/Gnucash/gnucash/commit/aacef38d (commit)



commit 9ac2bb815892a9a898cd1fdbc2dc3a02642e0a59
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 15 15:55:18 2015 -0700

    Add Business Ledger to Doxygen docs.

commit eac8aa34919c28b0215be9044aa1a6a56491e731
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 15 15:38:45 2015 -0700

    Document the Register Core CellBlock class.

commit af45de8a21fb74dc94689fb5ea5b3ee5770f5917
Author: John Ralls <jralls at ceridwen.us>
Date:   Thu Oct 15 14:26:17 2015 -0700

    Create a new Register2 group in Register and add the Reg2-specific files to it.
    
    To provide an easy way to identify the Register2 files.



Summary of changes:
 src/business/business-ledger/gncEntryLedger.h      | 30 ++++++++-----
 .../business-ledger/gncEntryLedgerControl.h        |  9 +++-
 .../business-ledger/gncEntryLedgerLayout.h         |  9 +++-
 src/business/business-ledger/gncEntryLedgerModel.h |  9 +++-
 src/business/business-ledger/gncEntryLedgerP.h     | 21 +++++----
 src/gnome-utils/gnc-tree-control-split-reg.h       |  8 +++-
 src/gnome-utils/gnc-tree-model-split-reg.h         | 15 ++++---
 src/gnome-utils/gnc-tree-util-split-reg.h          |  9 +++-
 src/gnome-utils/gnc-tree-view-split-reg.h          |  9 +++-
 src/gnome/gnc-plugin-page-register2.h              | 19 +++-----
 src/gnome/gnc-plugin-register2.h                   |  8 +++-
 src/gnome/gnc-split-reg2.h                         |  9 +++-
 src/register/ledger-core/gnc-ledger-display2.h     | 52 ++++++++++++----------
 src/register/register-core/cellblock.h             | 35 ++++++++++++++-
 14 files changed, 166 insertions(+), 76 deletions(-)