Removed an obsolete graphing parameter.
Graph 3 cycles from start point.
Graph N cycles from start point, configurable.
Clearer handling of visualization boundary points.
Removed some obsolete suite.rc ref documentation.
ToDo update.
New graphing test added.
Merge branch 'master' into graphing-enhancement

Conflicts:
	doc/suiterc.tex
Removed more obsolete documentation.
Adjusted new graph test.
Bug fix the new graphing change.
Tidy up.
Fix time zone for new graphing test.
Comment.
Rationalized graph bounds checking and defaults.
Removed an obsolete dev dir.
Honest graphing of cold-start tasks.
Fix monitor command.
Rephrase vis cycle point doc.
Merge pull request #1132 from hjoliver/graphing-enhancement

cylc-6 graphing bug fix and enhancements