change to web-app 3x
trying a new extjs5 approach
renaming root folders
cumulative update
remove old code
check if .json notebook file exists
preliminary export notebook
catching up on commits
add getBaseUrl function to app
accumulated improvements
updating gitignore
fix cirrus hover
corpus terms buffering
sorting and filtering documents
upgrade to 5.0.1 (buffered grid sorting wasn't working in 5.0.0)
added filtering and sorting in several grids
multi-select checkbox for corpus terms
added relative frequencies
only update store when panel is visible
better handling for tab activation
cleaning up and starting collocates