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Update to zipr to support relro scoops, and fix to move globals/SplitScoop to handle file size properly.

1. In ReplopDollopEntriesWithTargets() allow a plugin
to do the replopping if they are registered.

2. Allow for a plugin to place a dollop's first
instruction atop its pinned address. Also, allow
for that dollop to abut its pinned fallthrough w/o
using extra bytes.

3. Fix formatting.

Updagtes to move-globals to move elf-y things like .dynamic, .note, etc.  also fix to fix-calls for exception handling. elfwriter updates to support writing revised section addresses to the phdrs

zipr:  removed stratafier/cgc mode.  using elfwriter exclusively now.  security_transforms: no scoops for executable segs.  bugfix for texttoprintf

updated to 1) mark pagemap bytes as inuse for phdr, 2) fixed bug related to increasing memsz when filesz gets increased

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When looking for a dollop entry's fallthrough, be
sure to fallback and look at the dollop's fallthrough
when the particular entry does not have one. 

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When a dollop with small fallthroughs would fit entirely in an 
allocated region but some of those fallthroughs are already placed,
coalescing would miscalculate what to do. It would say, "Let's
place it all" but would eventually want to put a jmp to the 
already-placed dollop. When the fallthoughs were small, that 
jump would be bigger than the entirety of dollop and cause
us to overflow the reserved space.