add BP channel setting for bp_channel param for Capture, add demo code to SimpleCaptureDemo to fetch a new BP channel and fetch a LF user token with a BP channel
propagate lib update
fixed IB outlet hookup, added LF fetch proc to test button
fixed articleId param encoding, successful test
updated button text
style factoring, move config settings into plist
bit of a nasty merge with backplane branch
style, fixed assets directory inclusion in app bundle
xib self pruning
omit bp channel param when it is unconfigured