fixed English

2. Check generation time over all possible time validity restriction forms
3. Clean up TPs removing {}
fix #0007298 

TP_SEC_ITSS_SND_CAM_10_01_BV
TP_SEC_ITSS_SND_DENM_04_01_BV
TP_SEC_ITSS_SND_GENMSG_04_01_BV

Actually, as there is no differences in generation time verification I just combined all these TPs to one (TP_SEC_ITSS_SND_GENMSG_04_01_BV) and removed ITS_AID check

Merge initial Test purposes and certificate profiles from STF507 branch to align with the published document