Erlang filetype and snippets improvements

* Add .hrl Erlang "header" file
* Add some useful snippets
* Add template for Erlang files as per EDocs guidelines

Closes #157

data/filetype_extensions.conf

@@ -20,7 +20,7 @@ Cython=*.pyx;*.pxd;*.pxi;
 D=*.d;*.di;
 Diff=*.diff;*.patch;*.rej;
 Docbook=*.docbook;
-Erlang=*.erl;
+Erlang=*.erl;*.hrl;
 F77=*.f;*.for;*.ftn;*.f77;*.F;*.FOR;*.FTN;*.fpp;*.FPP
 Ferite=*.fe;
 Forth=*.fs;*.fth;

data/snippets.conf

@@ -127,3 +127,14 @@ monitor=monitor%block_cursor%handle%block%
 
 [HTML]
 table=<table>\n\t<tr>\n\t\t<td>%cursor%</td>\n\t</tr>\n</table>
+
+[Erlang]
+case=case %cursor% of\n\t%cursor% -> %cursor%\nend
+if=if\n\t%cursor% -> %cursor%\nend
+begin=begin\n\t%cursor%\nend
+fun=fun(%cursor%) ->\n\t%cursor%\nend
+try=try %cursor% of\n\t%cursor% ->\n\t%cursor%\ncatch\n\t%cursor% ->\n\t%cursor%\nend
+module=-module(%cursor%).
+export=-export(%cursor%).
+compile=-compile(%cursor%).
+include=-include(%cursor%).

data/templates/files/module.erl

+%% ----------------------------------
+%% @author {developer} <{mail}>
+%% @copyright {year}
+%% @doc
+%% @end
+%% ----------------------------------
+
+-module().
+-export([]).
+