hg: jdk9/dev/langtools: 2 new changesets

[lana.steuck at oracle.com]

Changeset: d0315cb6ade7
Author:    katleman
Date:      2015-01-28 16:45 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/d0315cb6ade7

Added tag jdk9-b48 for changeset 5b102fc29edf

! .hgtags

Changeset: 15c79f28e30a
Author:    lana
Date:      2015-01-29 15:36 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/15c79f28e30a

Merge