PadRight first try
UFunc not working because of double implicits, will switch to trait CanXXX pattern.
changed to trait CanPad.scala; bugs padding DV => DM (i.e. 2 dimensions specified)
Basta for now, ask for comments
organize
organize
Merge branch 'master' of https://github.com/scalanlp/breeze into padLeftRight
Merge branch 'master' of https://github.com/scalanlp/breeze into padLeftRight
organize import
Merge branch 'master' of https://github.com/scalanlp/breeze into padLeftRight
unnecessary pad test... don't use Tuple1 !
Merge remote-tracking branch 'remotes/scalanlp/master' into padLeftRight

Conflicts:
	src/main/scala/breeze/linalg/package.scala
restart 2d
Merge branch 'master' of https://github.com/scalanlp/breeze into padLeftRight
cargo-cult @expand.sequence for generic zero
Merge remote-tracking branch 'remotes/scalanlp/master' into padLeftRight
Merge branch 'rand' into padLeftRight
max/min( 1, 2 (, 3) )... could use vararg, but seems difficult with UFunc
streamline imports
median can deal with DenseMatrix[T]... needs better implementation at some point!