Create brach devbuild_1.2. Update libadblockplus

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branch : devbuild_1.2
Better mime type detection

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branch : devbuild_1.2
Fix named pipe security on Windows 7

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branch : devbuild_1.2
Update libadblockplus subrepository

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branch : devbuild_1.2
Rely on libadblockplus to extract domain

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branch : devbuild_1.2
Fix "Only secure content is displayed" messages

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branch : devbuild_1.2
Update plugin version number to 1.2

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branch : devbuild_1.2
extra : amend_source : 478bd73a0245b592679b78a7eb27da487f99efa4
Fix translations for Custom Actions

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branch : devbuild_1.2
Perform code formatting on installer's files

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branch : devbuild_1.2
Merge with devbuild_1.2. No need to keep a separate branch
Add InnoSetup bootstrapper
Update readme.md
Update output path for InnoSetup
Use Release version of custom action in test installer
Update build_release.py script
Made sure installer makefile calls createsolutions.bat if necessary
Fixed wrong path to libadblockplus in installer
Use relative paths in InnoSetup file.
Fixed paths of the MSI files in the build script
Updated installer signing for InnoSetup