Merge pull request #10 from naps62/master

Inline css no being added to user-list when using listContainer option
specify list container styles with a class
Merge pull request #11 from goinstant/colinmacdonald/custom-container-class

Specify list container styles with a class
v1.0.3
add peerConnectionConfig option
Merge pull request #12 from goinstant/colinmacdonald/advanced-options

Add peerConnectionConfig option
v1.0.4
v1.0.5