Merge pull request #183 from paczian/master

added dockerimage text download
Merge pull request #184 from paczian/master

table fixes and tree renderer
Merge pull request #185 from paczian/master

added documentation
Merge pull request #186 from paczian/master

finished initial implementation of tree renderer
Merge pull request #187 from paczian/master

asynch table fix and tree quotes bugfix
Merge pull request #188 from paczian/master

added envo api example
Merge pull request #189 from paczian/master

fixed bug in expand all
Merge pull request #190 from paczian/master

layout update for node div
Merge pull request #191 from paczian/master

fixed error when go button is pressed and the text matches no node
Merge pull request #192 from paczian/master

tree renderer minor fixes
added option for custom headers for asynchronous tables
updated login to work with both kbase and mg-rast and the extended user profile
added options for button display