upgraded guava to 16.0
used wrap rather than new class to provide a char source
added argument check for proxy
used awaitility to wait server shutdown completely as an temporary solution from #51
added variable to template in api
upgraded netty to 4.0.15
provided runner as published interface
documented batch proxy
added template vars to json
cleaned up text container code
added playback to proxy
added playback json api
upgraded logback to 1.1.0 and awaitility to 1.5.0
added global response
fixed proguard for minimized jar
added json api for global response setting
documented playback, template variables and global response settings
documented runner api
updated gmoco for #45
moved logback configuration to runner for #55