remove test command from OSR project

Signed-off-by: James Pearman <jbpearman@mac.com>
replace chprintf with vex_chprintf

Signed-off-by: James Pearman <jbpearman@mac.com>
fix conditional test for CH_KERNEL versions

Signed-off-by: James Pearman <jbpearman@mac.com>
ad vex_chprintf and vex_vprintf functions

Signed-off-by: James Pearman <jbpearman@mac.com>
replace chprintf with vex_chprintf, add buffering for echoed characters

Signed-off-by: James Pearman <jbpearman@mac.com>
bump version to 1.0.4

Signed-off-by: James Pearman <jbpearman@mac.com>
improved method for kernel version check

Signed-off-by: James Pearman <jbpearman@mac.com>