INSP-129 "general clean-up of sconses"
- redo env clones to allow for builds via internal notif tests and via sample apps.
- allow for applist to be built to be passed in (by sample apps)
- add src/SConscript to define include paths and to call apps
- obj's and executables are built in obj dir under each app.
- executables are copied to current-dir/build
INSP-127
DB142 1.1: Does not compile (out of memory)when Notification,CPS, and AC are turned on, Onboarding is turned off
added missing include