Plan panel WIP
Address Trello card "Add label for "root" or "base" node into all problem XMLs". Other minor aesthetic xml changes.
build with Ant..not yet working with ivy
build with Ant..not yet working with ivy
gitignore updated
Delete genfiles.properties

not required file during build
Delete README.TXT

not needed
readme update
readme update
readme update
Sliders WIP
bug 2186 - unfilled node now deleted when Calc panel Create Node dialog is closed before setting a desc
bug 2186 - In COACHED mode only first node can be created using Create Node button
STUDENT mode will graph syntactically correct but incorrect/incomplete graphs
Close buttons disabled in COACHED mode incomplete nodes
Added feature to save sessions from AUTHOR mode.
adding lib
Merge tejas into joinerr
merge tejas
merge bstrong