additional fix for 2508
fix for 2518
fix for 2388
2516 : Do not short cut in startup folder

short cut in startup folder will not be added during installation but
during Uninstallation, it will be deleted if present.
Merge branch 'build' of https://github.com/mconstantin/nuxeo-drive into build
fix for 2368
additional fix for 2516
Merge remote-tracking branch 'origin/build' into 0.2.2-Grant