Update README.md

Added octomap-server in the dependencies in installation section
Merge branch 'vj_gui' into hydro_devel
added labels for rviz tools
updated label names
resolved conflict in .ui
added button group callback function
Created a folder for storing Touchscreen config files
Merge branch 'hydro_devel' of https://github.com/rxdu/FallRiskProjectROS into hydro_devel
Delete test.file
Created a folder for storing touchscreen config files
Update README.md

first commit
Update README.md

fixed syntax error
Update README.md

Updated the folder name
cleaned the gui package
Merge branch 'rdu_gui' into hydro_devel
Added config files for xorg
Merge branch 'hydro_devel' of https://github.com/rxdu/FallRiskProjectROS into hydro_devel
Merge branch 'vj_gui' of https://github.com/rxdu/FallRiskProjectROS into hydro_devel
Merge branch 'hydro_devel' of https://github.com/rxdu/FallRiskProjectROS into hydro_devel
Assigned tools to the buttons