Updated date tagger, and edited Date helper method
Merge branch 'dateFixes' of https://github.com/jgilme1/tac2013 into jgilme1-dateFixes

Conflicts:
	slotfiller/src/main/java/edu/knowitall/tac2013/stanford/annotator/utils/StanfordAnnotatorHelperMethods.java
Add per:title stoplist (chief, head, leader)
Enforce per:title stoplist.
Synchronize calls to stanford.
Examine trimmedfill instead of fillfield when looking for a pronoun.
Merge pull request #77 from rbart/fixtitle

Fix per:title fills "leader" "head" and "chief" using stoplist
Merge pull request #78 from rbart/fixpronoun

Fix pronouns in per:cause_of_death
Add City, Province, and Country stoplists.
Enforce location stoplists.
Merge pull request #79 from rbart/fixlocations

Add city,province, and country stoplists