Made SS_lib_type RF default. Added disk space multiplier input.
Made SS_lib_type RF default. Added disk space multiplier input.

trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq,trinityrnaseq/trinityrnaseq