Add to Git ignores temporary files generate in Windows build.
WiX: Replace tabs with spaces.
WiX: Add empty lines for readability.
WiX: Use “Advanced” template that supports selection of per-user or per-machine mode.

http://wix.sourceforge.net/manual-wix3/WixUI_advanced.htm

To install for all users installer should be started from admin account.
WiX: Refactoring: Place all components inside single directory structure.

For the sake of simplicity.
WiX: Use file as key path for User’s Guide component.
WiX: Install shortcut for all users when installing per-machine. Use HKMU to write registry values to either HKCU or HKLM.

http://stackoverflow.com/a/3824949
http://wix.sourceforge.net/manual-wix2/wix_xsd_registry.htm
WiX: Use APPLICATIONFOLDER property name as required by “Advanced” template.

Followup to cd4ad4bc96f864450b374f34f3ae8b0bf4952d87.
WiX: Set non-empty feature name.

It can be displayed in Advanced mode.
WiX: Install to %APPLOCALDATA%\Pandoc in per-user setup.

The “Advanced” template installs to %APPLOCALDATA%\Apps\Pandoc by default.
WiX: Update system PATH environment variable when installing per-machine.

Had to create two separate components because System property of Environment element cannot be set on condition.
WiX: Revert back to “Minimal” template.

The “Advanced” template doesn’t uninstall previous version if it was installed per-machine. FindRelatedProducts action executes before ALLUSERS property is set and search is performed in per-user products only.
WiX: Remove unnecessary parameter for candle.exe.
Merge pull request #787 from sheremetyev/wix-allusers

Improve installation for all users on Windows
Fixed numbering mismatch between TOC and sections in HTML.

Also made `--number-offset` affect TOC numbering as well
as section numbering, as it should have all along.

Closes #789.
Bumped QuickCheck version bound.
Updated changelog.
Version bump to 1.11.0.1.
Version bump to 1.11.1.
Added notes on building ICU.