3.0 alpha 2 release preparations

add quartz.net.snk

2.4 release preparations

tweak NuGet package info

2.3.3 release preparations

2.3.2 release preparations

tagged 2.3.1

fixes quartznet#204 DailyTimeIntervalTriggerImpl fires twice during d…

…aylight saving time day

2.2.4 release preparations

2.2.3 release preparations