latest pc14 for prod

Merge pull request #318 from PathwayCommons/dependabot/maven/org.apac…

…he.commons-commons-text-1.10.0

Bump commons-text from 1.6 to 1.10.0

Fixed the data sources' Provenance xml:base that's set during pre-mer…

…ge; removed unused constants and old comments.

For the PC10 db/ws release.

@ PC9 release

The last fixed cpath2 code for the PC8 release.

PC8 - debug mode script updated

"top_pathways" query result now excludes "pathways" having two or les…

…s components, none of which being a non-empty sub-pathway.

README, gitignore, and PC2 v7 cpath2_home dir metadata/properties files

Made direction=UNDIRECTED default for 'neighborhood' graph queries.