Relocate source files to an src/ sub directory

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/Makefile.am

@@ -0,0 +1,13 @@
+lib_LTLIBRARIES     = libite.la
+
+libite_la_CPPFLAGS  = -D_GNU_SOURCE
+libite_la_CFLAGS    = -W -Wall -Wextra
+libite_la_LDFLAGS   = $(AM_LDFLAGS) -version-info 4:1:0
+libite_la_SOURCES   = chomp.c copyfile.c dir.c fexist.c fisdir.c fmode.c fparseln.c		\
+		      fsendfile.c ifconfig.c lfile.c makepath.c pidfile.c pidfilefn.c		\
+		      progress.c reallocarray.c rsync.c strlcpy.c strlcat.c strtonum.c		\
+		      tempfile.c tree.c which.c
+
+## Distribute these header files in the <lite/...> name space
+pkgincludedir       = $(includedir)/lite
+pkginclude_HEADERS  = lite.h queue.h conio.h tree.h strlite.h strdupa.h strndupa.h strnlen.h