BIBO work environment

[zhihao]

MIC file path: /thinker/etc/soft/bibo/mic.pcf

bibo_base: BIBO installation local base dir. Default: /thinker/local/soft/bibo
bibo_share: BIBO installation globe base dir. Default: /thinker/globe/soft/bibo

[lingu]

driver: the case count can grow to thousands, but we cannot launch thousands of tasks in a small system.

proposal: Currently we have a hard limit like 90 tasks. Let's regulate it with a convar bibo_toni_max and its default value is 90.

RR zhihao