New Entry: HO2_Elimination_from_PeroxyRadical/training/2

Updated rate rule for CCCC(O[O])O = CCCC=O + HO2

Submitted through the RMG website.
New Entry: HO2_Elimination_from_PeroxyRadical/training/3

Updated rate rule for CCCC(O[O])O = CCC=CO + HO2

Submitted through the RMG website.
New Entry: intra_H_migration/training/2

Updated rule for CCC(O[O])CO = CCC(OO)C[O] (waddington reaction)

Submitted through the RMG website.
R_Recombination/training:4 Updated rate with atom starring in forward direction for CCC[C]O + O2 = CCCC(O[O])O

Change to kinetics/families/R_Recombination/training entry 4 submitted through RMG website:
Updated rate with atom starring in forward direction for CCC[C]O + O2 = CCCC(O[O])O
Connie Gao <connieg@mit.edu>
Remove training reaction 2 from intra_h_migration due to lack of atom labels.
Remove 2 training rxns from ho2_elimination family due to atom starring errors