web-pods: honor rate on read/write
web-pods: allowing multiple bubble plots on same page
vtype: first pass at numeric arrays
vtype: add VIntArray
vtype: new definitions and implementations for all scalar numeric types
datasource.sample: adding examples for pv() function
datasource.sample: adding a simple monitor
datasource: director should remove disconnected expressions from the connection collector
util: adding other corner case testing in the parser
vtype: adding highestSeverityOf and other utility functions
sample: fixing headers
Merge pull request #45 from eschuhmacher/master

issue #44
web-pods: adding link to bubble chart demo