Changed the paint style of TextShape.

By default, the TextShape should be filled. A fillable toggle can allow
the paint style in the draw method to be changed.
Added Maven dependencies

Switched to Maven dependency mangement
Added core files to the graphics library

Some files were located in the Sofia core API but not in the graphics
packages, causing errors.
Revert 711f6d0..95d4c50

This rolls back to commit 711f6d0089d4cb1f14c39c505d244c4cf1e0f238.
Merge pull request #1 from jamestaylr/master

Changed the paint style of TextShape