Add missing image files

Author: jserv

.gitignore

@@ -2,7 +2,7 @@ _minted*/
 *.aux
 *.log
 *.out
-*.pdf
+concurrency-primer.pdf
 *.toc
 *.fls
 *.fdb_latexmk

concurrency-primer.tex

@@ -87,7 +87,7 @@
 %\setlength\parskip{0em}
 \setlength\parindent{1.5em}
 
-\title{Concurrency Primer\footnote{The original title was "What every systems programmer should know about concurrency."}}
+\title{Concurrency Primer\footnote{The original title was ``What every systems programmer should know about concurrency''.}}
 \author{Matt Kline and Ching-Chun (Jim) Huang}
 \date{\today}
 
@@ -798,7 +798,7 @@ \section{Memory orderings}
 By default, all atomic operations---including loads, stores,
 and the various flavors of \textsc{rmw}---are sequentially consistent.
 But this is only one of several orderings that we can give them.
-We'll examine each, but a full list,
+We will examine each, but a full list,
 along with the enumerations that the \clang{} and \cplusplus{} \textsc{api} uses,
 is:
 \begin{itemize}