replaced capacitors

New chip capacitors for reflow soldering.
Dimensions from:
http://www.avx.com/docs/masterpubs/smccp.pdf

Silkscreen according to library convention and:
http://cskl.de/fileadmin/downloads/PCBLIBRARIES/Documentation/PCB_Design_Optimization_Starts_in_the_CAD_Library.pdf

Added paths to new 3d models.