collection fetch will now include custom params
removed nesting of custom params
Add Jamie Rolfs and Randy Coulman to git .pairs
Add integration spec for custom params in Brainstem.Collection#fetch
Add blacklist spec for custom params and clean up Brainstem.Collection#_buildSyncOptions a bit
Clarified specs for subsequent fetches of brainstem collection
Merge branch 'master' into custom_params

Conflicts:
	.pairs
Merge pull request #48 from mavenlink/custom_params

Custom params