docs: Use absolute paths for specifying templates

This way, the documentation-generation scripts can be invoked from any
directory.

Signed-off-by: Jesse Haber-Kucharsky <jhaberku@scylladb.com>
Message-Id: <52d7700a0b6bfedfe2499b3d2d80442f64c4cce0.1543507802.git.jhaberku@scylladb.com>

doc/md2html

@@ -17,6 +17,8 @@
 #
 # Copyright (C) 2018 ScyllaDB
 
+dir=$(dirname "$0")
+
 case `pandoc --version` in
 "pandoc 1."*)
     SMART_OPT=--smart
@@ -26,4 +28,4 @@ case `pandoc --version` in
     SMART_OPT=
     SMART_EXT=+smart
 esac
-pandoc --self-contained $SMART_OPT --toc -c doc/template.css --number-sections -f markdown+pandoc_title_block+implicit_header_references$SMART_EXT --highlight-style tango "$1" -o "$2"
+pandoc --self-contained $SMART_OPT --toc -c ${dir}/template.css --number-sections -f markdown+pandoc_title_block+implicit_header_references$SMART_EXT --highlight-style tango "$1" -o "$2"

doc/md2pdf

@@ -17,5 +17,7 @@
 #
 # Copyright (C) 2018 ScyllaDB
 
-pandoc -f markdown+pandoc_title_block+implicit_header_references --highlight-style tango --template=doc/template.tex "$1" -o "$2"
+dir=$(dirname "$0")
+
+pandoc -f markdown+pandoc_title_block+implicit_header_references --highlight-style tango --template=${dir}/template.tex "$1" -o "$2"