added project select and in the middle of billable option
fixed reporting of billable/not billable according to project settings
removed unused attribute from select option
Merge pull request #5 from rubinsh/master

Added the ability to select a project, and report billable/non billable according to the project's default settings
JSLint
Infer Toggl project from Asana project name, if possible.

Also infer Toggl task (for pro workspaces) from Asana task name prefix, if possible.
Calculate time-entry parameters on timer click rather than drop-down update.
Remove experimental stuff.
Try to infer Toggl task from Asana tag.
Prevent multiple Toggl buttons from appearing after clicking the current task.
Tweaks for Chrome Store deployment.
Use alternate, more reliable implementation of DOMNodeInserted.
Use Asana ancestor project names to infer Toggl project.
Bump build number.