added files for topology plugin
modified cmakelists to add topology plugin folder

Conflicts:

	src/plugins/CMakeLists.txt
fixed issues in duplicate rule where zooming was not possible..renamed 'Test' to 'Rule'
fixed minimum segment length rule
renamed rules to meaningful descriptions
Added new rule "Must not have pseudos" for line vector layers.
Renamed rules to more understandable descriptions.
Handled WKB::MultilineStrings in line shapefiles in hanging lines rule that caused crashes.
"segments must have minimum length" rule now only checks if the geometry contains at least one short segment
added new Rule "Must Not Have Gaps"
removed unwanted indexing for some rules.
prepare commit run.
test commit
modified 'must not have gaps' rule.
updated calls to new vector api
more changes based on new api
fixed "must not have gaps rule"
fixed extent issues
changed dangle rule implementation
More rules added
-checkPointCoveredbyLineEnds
-checkPointInPolygon
new rules added
-point must be inside polygon
-polygon must contain point
-geometry must not be multipart
added rule 'checkyLineEndsCoveredByPoints'
renamed some rules
commented 'closer than tolerance rules' -performance issues
changed colors of error markers