core (curl): don't limit number of redirections if user already did
core.sh (process_configfile_*): use "read -r"

-r switch means: backslash does not act as an escape character.
plowprobe: merge from master branch

Man pages and documentation updated.
Important note: no modules added yet. Modules will be synced later.

See reference commits:
- revision 600ccbe79cf7ea5bb2a31bfcd085006664d00e28
- revision 9dde5859b344e3996dcf70f9c8d85fd7dc3ba7c5
core.sh (process_configfile_*): enhance config file management

Changes:
- first letter of section name can be lowercase
- section order in plowshare.conf is no longer relevant
- don't use grep anymore (sed still used)
- leading blank before module option is now accepted
- man page (plowshare.conf.5): tiny update

Conflicts:
	docs/plowshare.conf.5
plowlist: add a log_error for .dlc files (no decryption made)
modules: sync with bash4

954a0de uploaded_net (download): put 2 hours interval between two uploaded.net links
353ac7b rapidshare (download): consider "Filename invalid" as dead link
c98f00c uploading (download): add curl redirection to handle more url variant
6a0cf39 turbobit (download): fix typos
caff025 uploading.com (download): fix filename parsing
e37a621 euroshare.eu: add probe support
c9aa704 cloudzer.net: add probe support
b28b2f7 uptobox: fix match regexp
6f9e9e1 depositfiles: update match regexp (dfiles.eu)
beddde9 turbobit (download): rewrite, upstream modified
5d57ec7 euroshare.eu: fix anonymous download & upload (upstream modified)
8acff39 mediafire (list): fix, use API, support sub folders
eb54ab8 turbobit (upload, login): fix, upstream modified
5e01e92 rapidgator (download): put 15 minutes interval between two rapidgator links
e24b790 cloudzer_net: initial module with anonymous download
632548b 180upload (upload): use curl's --form-string (instead of -F) to prevent $DESCRIPTION being interpreted
61868b3 billionuploads: add probe support
433613a billionuploads: add anonymous upload
83b886e shareonline.biz: add probe support
c1e58ed jheberg (list): fix, upstream modified
b5da657 depositfiles (upload): add new upload method
8fe21d6 rapidgator: fix, remove temp debug
600ccbe plowprobe: first version
5165531 bitshare (download): fix 'dead link' regression
9d0ea5c sendspace (upload): quick fix, DESTINATION_DIR is now located is the form action URL
fb20e48 mirrorcreator (list): fix (uptream modified)
59034c3 mediafire (download): fix, upstream modified
baf1a9c letitbit: minor, fix wrong copyright
2c9af5d zalaa: add list support
7955c7c zalaa (download): add missing 'copyright infringement' case
b80da9f zippyshare: add preliminary list support.
modules: minor, fix 2013 copyrights
setup.sh: fix install for BSD users

core.sh was patched but not download.sh & probe.sh