added more code for statement handling
Added support for --,++,+ unary operators and --,++ postfix operators

Change-Id: I84ec32863a24ea5e49cf380ec9ebc816024aadd8
added support for as,in,is,void,delete
added missing parentheses in decompiled output
Made graph rendering async; WeaveExamplePlugin now builds/deploys by default.
Properly added WeaveExamplePlugin to the build dependencies for now.
Added more code for compiling statements
fixed bug with csv import string/number type checking
added more code for compiling statements.
more code for compiling statements
Added row buffer limit to work around limitation in SQLServer driver.
getBoundsFromKey now avoids creating unnecessary empty arrays
restructured code
fixed bugs in GlobalLib, added trace
added stack trace printing
Added support for if/else, fixed other compiler bugs.
improved radviz anchor drag behavior
changed internal representation of if/else
added support for weave file drag/drop
modified html template to support drag + drop in firefox