Merge pull request #80 from andhieka/working

Debugged UI
changed the color of the task titles
Merge pull request #81 from liafailboy/working

changed the color of the task titles
Fix refreshing UI
Merge remote-tracking branch 'upstream/master'
Merge pull request #85 from mikelimantara/master

Fix refresh UI
Merge pull request #82 from andhieka/working

Implemented next and prev command
set the variable name to the objects in fxml
Give reference to category (sidebar), now fixed at maximum 10
Merge pull request #86 from liafailboy/working

set the variable name to the objects in fxml
Merge pull request #87 from mikelimantara/master

Give reference to category (sidebar), now fixed at maximum 10
Merge pull request #88 from andhieka/working

Improved NextCommand and PrevCommand return message when reaching end of...
Logic part of category display