OSR-29
Fixed bugs in read.table and type.convert.
Fixed documentation so that run_examples works.
Generated new documentation.
Merge branch 'dev' of https://github.com/decisionpatterns/date.reader into osr-29

Conflicts:
	R/as.POSIXct.R
	R/parse.date.R
	R/parse_regex.R
	R/type.convert.R
	R/which.format.R
	man/as.POSIXct.character.Rd
	man/parse.date.Rd
	tests/testthat/test-as.POSIX.R
OSR-43
Added defaults for date.reader.tz, date.reader.nTrials,
date.reader.nErrors to options in zzz.R
OSR-43
created options for setting default timezone
Fiddled with documentation and code to get
devtools::check and devtools::test to work correctly.
Removed old files.
Clean-up of osr-43 before merge