added word_unc_injector post module
Rewrite of module after auxilliary. Also moved to post/windows
msftidy
Used msf file mixin where possible and more in memory handling
small fixup of unused old vars
work on word_unc_injector
Merge pull request #1 from jvazquez-r7/injector_docx_post

testing completed. I see no issues with the proposed changes, tempfiles and quickfile work fine.
Merge branch 'post-word_unc_injector.rb' of https://github.com/SphaZ/metasploit-framework into SphaZ-post-word_unc_injector.rb
move word_unc_injector to gather dir