formatting files according to standard (#1619)

* added EditorConfig linting
* adding `eclint` as Travis script target
* re-adjusted .pem files to have a newline

target/dovecot/10-mail.conf

@@ -46,11 +46,11 @@ namespace inbox {
   # Hierarchy separator to use. You should use the same separator for all
   # namespaces or some clients get confused. '/' is usually a good one.
   # The default however depends on the underlying mail storage format.
-  #separator = 
+  #separator =
 
   # Prefix required to access this namespace. This needs to be different for
   # all namespaces. For example "Public/".
-  #prefix = 
+  #prefix =
 
   # Physical location of the mailbox. This is in same format as
   # mail_location, which is also the default for it.
@@ -186,7 +186,7 @@ mail_privileged_group = docker
 # WARNING: Never add directories here which local users can modify, that
 # may lead to root exploit. Usually this should be done only if you don't
 # allow shell access for users. <doc/wiki/Chrooting.txt>
-#valid_chroot_dirs = 
+#valid_chroot_dirs =
 
 # Default chroot directory for mail processes. This can be overridden for
 # specific users in user database by giving /./ in user's home directory
@@ -194,7 +194,7 @@ mail_privileged_group = docker
 # need to do chrooting, Dovecot doesn't allow users to access files outside
 # their mail directory anyway. If your home directories are prefixed with
 # the chroot directory, append "/." to mail_chroot. <doc/wiki/Chrooting.txt>
-#mail_chroot = 
+#mail_chroot =
 
 # UNIX socket path to master authentication server to find users.
 # This is used by imap (for shared users) and lda.
@@ -312,7 +312,7 @@ maildir_stat_dirs = yes
 # fallbacks to re-reading the whole mbox file whenever something in mbox isn't
 # how it's expected to be. The only real downside to this setting is that if
 # some other MUA changes message flags, Dovecot doesn't notice it immediately.
-# Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK 
+# Note that a full sync is done with SELECT, EXAMINE, EXPUNGE and CHECK
 # commands.
 #mbox_dirty_syncs = yes