* generate a minimal "path_prefix" variable (cull repeated elements)
* replace an existing "path_prefix" entry if one exists
* run "sh configure" in blocking fashion so that the user can see what is going on.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@10014 a592a061-630c-0410-9148-cb99ea01b6c8
Add Jean-Pierre's translation of the installer into French.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@10008 a592a061-630c-0410-9148-cb99ea01b6c8