graphics/qgis: correct dependencies list
- Update dependency devel/py-Jinja to py-Jinja2
- Add dependency for textproc/py-pygments
- Add sql-pgsql and sql-sqlite3 in USE_QT4
- Bump PORTREVISION
While here, also remove duplicate direct dependency upon python.
PR: 215601
Submitted by: Martin Birgmeier <la5lbtyi@aon.at>
Approved by: Rainer Hurling <rhurlin@gwdg.de> (maintainer, updated patch)
MFH: 2017Q1