updated comments and filename

[xingxianli]

1. In vo_RxNorm.csv, a column added to indicate which templates (vaccine.csv, vaccine_RxNorm.csv, vaccine_component.csv, protein.csv) they are in.
2. updated the comment column in vaccine.csv, vaccine_RxNorm.csv, vaccine_component.csv, and protein.csv. (Indicate whether RxNorm, RxNorm Extension, or RxNorm not in OMOP)

[xingxianli]

revised 7/3:

1. update the VO:0003364 ‘Neisseria meningitidis serogroup B strain NZ98/254 outer membrane vesicle’ for both RxNorm and RxNorm Extension.
2. update the final 180 terms in VO_RxNorm.csv

[xingxianli]

revised 7.5:

1. update and check the repeated terms in vo_RxNorm.csv, and add repeat comments.
2. remove 127 terms in vaccine_component.owl, 4 terms protein.owl, add 166 new terms in vaccine_RxNorm.owl; update file vo_new_terms_IDs.xlsx.
3. update the comments of vo_RxNorm.csv about which file terms are in.