[manpages] Rewrite man pages in a simpler text format.

Makefile still needs work, but I wanted to commit to save progress.

.gitignore

@@ -1,4 +1,5 @@
 *~
+*.tmp
 *.swp
 *.swo
 *.o
@@ -7,12 +8,15 @@
 *.gmo
 *_t
 *.d
+*.8
 *.d.[0-9]*
 test.data
 cachegrind.*
 \#*\#
 core
 
+googletest/
+
 bin/pdata_tools
 thin_check
 thin_dump