Set pub_hwm to 1000 by default, Fix #7211
updates to seed and lxc modules
Adding feature to limit memory consumption of modules on load
Adding docs for modules_max_memory
Adding better error logging
Fix custom grain chicken-and-egg issue in highstates

This commit re-gathers pillar data if custom grains were synced during a
highstate.
Fix for yaml template filter outputting raw OrderedDict repr
YAML filter fix, take 2
Fix remaining refs to pkg.compare

Pull request #7636 fixed a regression caused by refs to a removed
execution function 'pkg.compare'. This function was moved to salt.utils
and made a common interface so that version comparison could be done
elsewhere in the salt codebase, and these refs were missed when doing
the cleanup.
Added missing arguments check
Checking for newline at EOF in modules.file.append()
Fixed empty file case in modules.file.append()

Lines are simply inserted at the beginning of the file for empty files.
fix documentation for profiles/nics; add get/set parameter funcs
ddns: remove debug log message
lxc: actually fix docs and add get/set parameter funcs
Merge pull request #7642 from terminalmage/pkg-compare-regression-fix

Fix remaining refs to pkg.compare
s/existant/existent/
Merge pull request #7660 from rgbkrk/patch-1

s/existant/existent/
Merge pull request #7657 from mgwilliams/lxc

LXC bug fix
Merge pull request #7629 from jmagnusson/yamlfilterfix

YAML jinja2 filter fix