1. splitup the demos.py into individual ones. 2. changed the way of demo
handling, which is more optimized for extensibility. 3. fix the svr demo
bug.
1. splitup the demos.py into individual ones.
2. changed the way of demo handling, which is optimized for security
3. fix the svr demo bug
Merge pull request #13 from foulwall/fix-security

svr & security fixes