Make 'SkipContents' configurable in API. #345

Also add global configuration to disable 'skipContents' by
default for all new published repos/snapshots.

man/aptly.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "APTLY" "1" "January 2016" "" ""
+.TH "APTLY" "1" "February 2016" "" ""
 .
 .SH "NAME"
 \fBaptly\fR \- Debian repository management tool
@@ -48,6 +48,7 @@ Configuration file is stored in JSON format (default values shown below):
   "downloadSourcePackages": false,
   "ppaDistributorID": "ubuntu",
   "ppaCodename": "",
+  "skipContentsPublishing": false,
   "S3PublishEndpoints": {
     "test": {
       "region": "us\-east\-1",
@@ -55,7 +56,6 @@ Configuration file is stored in JSON format (default values shown below):
       "endpoint": "",
       "awsAccessKeyID": "",
       "awsSecretAccessKey": "",
-      "awsSessionToken": "",
       "prefix": "",
       "acl": "public\-read",
       "storageClass": "",
@@ -1819,5 +1819,8 @@ Vincent Bernat (https://github\.com/vincentbernat)
 .IP "\[ci]" 4
 x539 (https://github\.com/x539)
 .
+.IP "\[ci]" 4
+Phil Frost (https://github\.com/bitglue)
+.
 .IP "" 0