Additional timezone mappings. (#1352)

I'm not positive these are needed in production but we do hit some of
these timezones in our CDA test data.

(cherry picked from commit 8abb07e)

Author: rma-rripken

cwms-data-api/src/main/resources/cwms/cda/data/dao/timezone-aliases.properties

@@ -7,3 +7,19 @@ alias.3.from=US/Pacific-New
 alias.3.to=US/Pacific
 alias.4.from=Unknown or Not Applicable
 alias.4.to=UTC
+alias.5.from=EST
+alias.5.to=America/New_York
+alias.6.from=EDT
+alias.6.to=America/New_York
+alias.7.from=CST
+alias.7.to=America/Chicago
+alias.8.from=CDT
+alias.8.to=America/Chicago
+alias.9.from=MST
+alias.9.to=America/Denver
+alias.10.from=MDT
+alias.10.to=America/Denver
+alias.11.from=PST
+alias.11.to=America/Los_Angeles
+alias.12.from=PDT
+alias.12.to=America/Los_Angeles