add utils.idSummary
Merge branch 'master' into idSummary

Conflicts:
	R/utils.R
add idSummary,MSnExp,MSnSet
Merge branch 'master' into idSummary
fix utils.removeNoId: "Error: object 'msexp' not found"
add removeNoId to demo vignette
fix removeNoId manual page example
fix idSummary test cases for MSnExp and MSnSet
add missing space
Merge branch 'idSummary' of https://github.com/sgibb/MSnbase
small updates and add Sebastian as vig author
use quantFile/identFile as idSummary file names
use idSummary in addIdentificationData man