Set 1.2.0 version number.
Create 1.2.0 release branch.
Set 1.1.8 version number.
Create 1.1.8 release branch.
Mere update to INSTALL.aldor from trunk.
Set 1.1.7 version number.
Create 1.1.7 release branch.
Merge correction to INSTALL from trunk.
Set 1.1.6 version number.
Create 1.1.6 release branch.