cwm: Remove hardcoded paths

Change-Id: I1874f0bbbaa81e0eea507e9d9444307191eeb753
cwm: Honor recovery variant

Change-Id: I7fd28c162ea711cecb3ef75db6a1cb5cbcef453a
Keep 'show log' on screen until user dismisses it

Also increase log output to 24 lines

Change-Id: I11381e347c2238f2058ea97f9143476ec3a80cf6
Merge "Keep 'show log' on screen until user dismisses it" to cn code.

Change-Id: I2668b5e16fef365013d5c64565772663f6311560