add FileMapper
add generate
Merge branch 'master' of http://localhost:8081/AlgoQuest

Conflicts:
	AQEngineTests/aq/AQEngineTests.cpp
	AQQueryResolver/aq/AQThread.h
	AQQueryResolver/aq/AQThreadRequest.h
Merge branch 'master' of http://localhost:8081/AlgoQuest

Conflicts:
	AQEngineTests/aq/FunctionalTests.cpp

remove COL_TYPE_DATE1 to 4 and make an unique type for DATE (COL_TYPE_DATE)
use boost date time format to enable TO_DATE('[date]', '[format]')
rename WindowFileMapper to WIN32FileMapper
rewrite expression transform
add a thesaurus reader
add unitaries tests (BaseDesc, ExprTransform, ColumnMapper, DateConversion)