Changes On Branch add-powerpc

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Changes In Branch add-powerpc Excluding Merge-Ins

This is equivalent to a diff from e451592ac8 to cda986483e

2016-12-21
19:53
Added support for SHA256 checksums check-in: 8e05e7b5e2 user: rkeene tags: trunk
2016-11-09
23:40
Added start of powerpc support from stage1 Leaf check-in: cda986483e user: rkeene tags: add-powerpc
2016-01-27
04:00
Build-CC 0.12 check-in: e451592ac8 user: rkeene tags: trunk, 0.12
03:57
Added support for using a helper application to download files check-in: 94769f000a user: rkeene tags: trunk

Changes to build-cc.

Changes to scripts/common.

Changes to scripts/post/02-glibc.