installer-v2 branch

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branch : installer-v2
installer-v2 code

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branch : installer-v2
rename : installer/bho_registry_value.wxi => installer/src/msi/bho_registry_value.wxi
rename : installer/custom_WixUI_InstallDir.wxs => installer/src/msi/custom_WixUI_InstallDir.wxs
rename : installer/dll_class.wxi => installer/src/msi/dll_class.wxi
rename : installer/abp-64.png => installer/src/setup-exe/abp-64.png
rename : installer/bootstrap-theme.wxl => installer/src/setup-exe/bootstrap-theme.wxl
rename : installer/bootstrap-theme.xml => installer/src/setup-exe/bootstrap-theme.xml
rename : installer/setup.wxs => installer/src/setup-exe/setup.wxs
Changes in response to http://codereview.adblockplus.org/5675960980471808/

--HG--
branch : installer-v2
Get rid of the system restore point.

--HG--
branch : installer-v2
Changes in response to http://codereview.adblockplus.org/22887001/

--HG--
branch : installer-v2
Merge with installer-v2
Support various security descriptors of IE. AppContainer, Low, Medium, High Integrity