Update Keywords list to include most tokens (#244)

- Fixes https://github.com/Microsoft/vscode-mssql/issues/705
- Updated the keyword list to include most common keyword ranges and added test to cover top 10 missing keywords
- Fixed a bug in TestUtilities.cs where text range was not defined correctly.

test/Microsoft.SqlTools.ServiceLayer.Test.Common/TestData/TSqlFormatter/TestFiles/KeywordCaseConversion.sql

@@ -0,0 +1,41 @@
+-- Case: common type keywords
+
+cReaTe tAbLe [SimpleTable]
+(
+
+    -- this is a comment before document
+    [DocumentID] INT iDentIty (1, 1) NOT NULL,
+
+    -- this is a comment before Title
+    [Title] NVARCHAR (50) NOT NULL,
+
+
+    -- this is a comment before FileName
+    [FileName] NVARCHAR (400) NOT NULL,
+
+    -- this is a comment before FileExtension
+    [FileExtension] nvarchar(8)
+);
+GO
+CREATE vIEw v1 aS select * from [SimpleTable]
+GO
+CREATE pRoceduRe p1 aS 
+bEgIn
+select * from [SimpleTable]
+eNd
+GO
+iNsert iNto t dEfault vAlues
+GO
+
+GO
+iNsert oPenQUERY (OracleSvr, 'SELECT name FROM joe.titles')  
+VALUES ('NewTitle');  
+GO
+INSERT INTO myTable(FileName, FileType, Document)   
+   SELECT 'Text1.txt' AS FileName,   
+      '.txt' AS FileType,   
+      * FROM openROWSET(bUlK N'C:\Text1.txt', siNGLE_BLOB) AS Document;  
+GO
+sELECT    *  
+FROM       openXML (@idoc, '/ROOT/Customers')   
+exEC sp_xml_removedocument @idoc;