AliEnv: ALICE_ROOT points to installation
AliInst: treat ALICE_ROOT as installation dir
AliInst: no more trunk -> master substitution
AliInst: allow update from legacy to modern CMake
AliEnv: only ALICE_ROOT exported
AliInst: short symlink to build dir
AliInst: no more symlinking of include
AliInst: force-update alice-env.sh
Merge branch 'feature-aliceroot'