Update actors.py
Flows update
Update actors.py
Merge pull request #1 from OuYamei/master

Router update
Colored logo green
Colored logo green (added images)
Fixed logos
Merge pull request #2 from lanhongjianlr/master

Update host in actor.py
Merge pull request #4 from lanhongjianlr/master

Update host in actor.py
Merge pull request #5 from lanhongjianlr/master

Fixing errors
Fixed test/doc error by adding "pass" to Router.update_router_table. Updated test._actors.basic_host andtest_actors.basic_router with new Host and Router parameters.
Added Buffer to docs
Fixed docstring class references
Added class references to parameter and function definitions
Fixed last doc bugs
Added class links to events doc page
Added simulation Controller, basic input file parsing, and basic simulation case
Added simulation Controller to docs
Additions from our pre-Jianchi group meeting: added event callbacks, modified actors
I did things.