Updated SYM POS-tag manually

Only found one instance of SYM (email address in last tree)
Automated dependency label mappings

The labels that could be automatically mapped are:
csubj —> csubj:cop
rcmod —> acl:rel
adpmod —> case  (arc direction needs to change)
compmod —> compound
dep — > foreign
num —> nummod
p —> punct
Manual mappings - part 1

First 3 manual label mappings:
interjections and emoticons —> discourse
quant (some of) —> list * could be more cases
nmod (some of) —> vocative
Names (manual)

- Introduced the “name” dependency label.

- Also changed the structure of the name units. Instead of the surname,
the first name is now head of the phrase.

- Also updated POS of some names to PROPN