Code refactoring

- decouple user interface from pulling and download tasks. This will ease the realization of a web front end.
- fix clunky code
    - concurency management
    - logs
- Change command line flag management. (breaking change)
    - now use pflag library to provide a set of options for each sub-commands
        - command `run` (default) for dowloading show according config.json file
        - command `download` for downloading a show according options on the command line
- Remove over complicated code
    - http client
    - html parsing
- Remove unused code
- Update dependencies
    - multiple progress bars
- Fix go lint warnings
- Fix FFMPEG errors not sent to the log file
- Improve ^C handling
    - remove dirs created by interupted download
    - Faster exit

- Fix case in Show path

- Rewriting Download functions to avoid path error for nfo
- Change path dfor show specials
- francetv:
  - fix missing thumbnail
  - skip non available episodes
  - download extras, teasers and bonnuse

version 0.14.0

## New features
- add flags
    - --name-template to give the media's file name template
    - --season-template go give the season part template of the path
- add fields to config.json
    - 	SeasonPathTemplate
        > Template for season path, can be empty to skip season in path. When missing uses default naming
	-   ShowNameTemplate
        >Template for the name of mp4 file, can't be empty. When missing, uses default naming
	-   TitleFilter
        >ShowTitle or Episode title must match this regexp to be downloaded
	-   TitleExclude
        >ShowTitle and Episode title must not match this regexp to be downloaded
- Name template implementation
    - for movies
        > `{{.Title}}.mp4`
    - for shows
        > `{{.Showtitle}} - {{.Aired.Time.Format "2006-01-02"}}.mp4`
    - for series
        > `{{.Showtitle}} - s{{.Season | printf "%02d" }}e{{.Episode | printf "%02d" }} - {{.Title}}.mp4`
- Season path template implementation
    - for movies
        >   (empty)
    - for shows:
        > `Season {{.Aired.Time.Year | printf "%04d" }}`
    - for series
        > `Season {{.Season | printf "%02d" }}`

## Fixes
- artetv
    - Fix #67 [artetv] Can't visit URL "Too Many Requests"
        - Implementation of query throttling
        - Reduce query to search API

Update gorelease version

Problem provider france tv #52 (#53)

* Set timeout for DASH download at 60 sec

* Fix #52

FranceTV: Adapation to website change. Change search engine.
Code simplification

fix #50 (#51)

config.json is not checked with download command

Fix for #43 report errors clearly (#48)


* Fix artetv collection when --keep-bonuses is false

* Fix #43 Report errors

- Refactor log system with levels ERROR, INFO, TRACE and DEBUG
- INFO, TRACE and DEBUG message are written only on log file when provided
- Fatal errors like missing parameter or invalid paths are reported and the program is stopped

Merge branch 'Fix-for-arte-collection' into Fix-for-#43-Report-errors…

…-clearly

typo

Merge branch 'master' of github.com:simulot/aspiratv