Add new options for Makefile for simplification and helper scripts to show useful tips or info

[iankuan]

Makefile

• make help: Brief introduction to all cmds in Makefile
• make check_dep: Check dependency and version that project needed
• ... etc.

Helper scripts:

• List all available modules
• ... etc

Please note that you should put your python scripts into scripts/ directory.

Anything suggestions? No matter which features you thought could improve this projects, please present to us.

[amikai]

How about make check_dep:
This target check dependency and version that project needed.

[iankuan]

Look good! I append it to TODO-list.