Pdf-maker

* Add a color template including ten colors

* Add line caps for drawing lines, square and butt caps are supported.

* Fix the error of clipping lines outside of plot areas.

* Fix the issue of font file path error in Ubuntu system.

* Revise setup.py, fixed the issue of missing resource files.

* Fix text wrapping error
* The issue of displaying unicode characters should be related to the encoding method, which is WinAnsiEncoding
as default. WinAnsiEncoding is similar to ASCII code. To support unicode characters, perhaps it is needed to
use Composite Fonts (CIDFont), compared to Simple Fonts, they require more dictionaries to define.