[macports-base] branch gsoc17-migrate updated (116b28b -> ab0de21)

[Umesh Singla]

Umesh Singla (umeshksingla) pushed a change to branch gsoc17-migrate
in repository macports-base.

    from 116b28b  Make migrate accept the new format of [snapshot ports]
     new ba274ff  Add ui_msgs and convert camelcases to underscores
     new ab0de21  Install only the originally requested ports

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 src/macports1.0/migrate.tcl  | 170 +++++++++++++++++++++++++------------------
 src/macports1.0/snapshot.tcl |  22 +++---
 2 files changed, 110 insertions(+), 82 deletions(-)