remove unneeded DISABLE_CONTROL from t0247 Makefile
added test for format specifier in R912
updated descriptions in test programs
updated TODO
moved test 321 to 299
merge branch 'master' of https://github.com/maddenp/ppp
update .gitignore
t0247 does not need static control file
add 'out.new' & 'out.old' targets in tests/common
tweak tests to remove temp files