Change build schedules

Adapt to trickling-down change rates,
10.2 is now weekly, 10.0 goes monthly
Add Oppo N1 to CM-10.2 weekly builds
build: If available, read in assert overrides when signing
Ship an md5sum with signed builds
Bump Oppo devices to cm-11.0
Merge branch 'master' of https://github.com/CyanogenMod/hudson into CyanogenMod-master

Conflicts:
	cm-build-targets