Merge pull request #19 from FearsomeFoursome/master

Udpates
moved servlet, updated XML
Merge pull request #21 from FearsomeFoursome/ARbranch

moved servlet, updated XML
Merge pull request #22 from FearsomeFoursome/ARbranch

moved servlet, updated XML
updated the QueryByCatID and QueryCategories servlets: adjusted where the sql connection statements are, changes sessions to requests, stored the results of the method calls to the new object;
adjusted the exception error from .out.println to .err.println in both category servlets;
Merge pull request #23 from FearsomeFoursome/SYnewbranch

S ynewbranch
added updater servlet - everything seems to be working
minor formatting changes
Created Product search servlet
merge Scott's code
Merge origin/BBnewbranch into ARbranch
Merge pull request #24 from FearsomeFoursome/ARbranch

A rbranch