Merge pull request #201 from mitchmac/7.x

Add pre ingest alter
Initial ingest multipage process, also cleanup.
Downloaded labels now have the proper labels, redirect the user on ingest to the last ingested object.
Notifiy the user when the repository is down.
Fixed logical error in islandora_delete_object.
Removed module_load_include in global space, corrected parameters in function call to islandora_post_delete. Fixed documentation error.
Fixed documentation errors
Typo fixes.
Fix for spelling mistakes and coder recommendations.
Remove inline comments, make comments 80 characters or less in length.
Merged adams changes.
Build out documentation.
Comment to long
Bit more.
Merge branch '7.x-ingest' of git://github.com/nigelgbanks/islandora into 7.x-ingest
Changes needed for form builder.
islandora_ingest_get_steps no longer returns NULL values
Merge branch '7.x' of github.com:Islandora/islandora into 7.x-ingest

Conflicts:
	includes/islandora.ingest.inc
Merge remote-tracking branch 'upstream/7.x-ingest' into 7.x-ingest
Break out acquisition of datastream info.