Create brach devbuild_1.2. Update libadblockplus

--HG--
branch : devbuild_1.2
Better mime type detection

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

--HG--
branch : devbuild_1.2
Update libadblockplus subrepository

--HG--
branch : devbuild_1.2
Rely on libadblockplus to extract domain

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

--HG--
branch : devbuild_1.2
Update plugin version number to 1.2

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

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

--HG--
branch : devbuild_1.2
Merge with devbuild_1.2. No need to keep a separate branch
Add InnoSetup bootstrapper