1. Use case sensitive tokens. 2. Create support for create temp table with data. 3. Support of virtual ident.
VeroSqlFormatter for VERO: 1. More indent. 2.  Create Temp Table. 3.
Remove parenthese around function name.
Fix parser rule.
Abstract generic sql formatter.
Code cleanup.
Fix group by missing comma bug.
Accept numerical operator (ie. +, -, *, /) inside @{} virtual iden.
Change VIRTUAL_IDENT parsing rules.
Fix merge.
Move dialet formatters to vero.
Add substring() for vero.
Work on trim function.
Merge branch 'master' of https://github.com/yulinwen/presto.git
Bug fix.
Bug fix.
Make curly braces optional for vero token.
Merge remote-tracking branch 'ygithub/master' into v0.79-fix

Conflicts:
	presto-parser/src/main/antlr3/com/facebook/presto/sql/parser/Statement.g
	presto-parser/src/main/antlr3/com/facebook/presto/sql/parser/StatementBuilder.g
	presto-parser/src/main/java/com/facebook/presto/sql/tree/QualifiedName.java
some fixes related to new guava plus more dim tests