add messages for new version

[mfuentesg]

I am happy to announce a new version of Sync Settings. This version includes a lot of improvements and bug fixes

In the previous version of Sync Settings, all files are replaced automatically once completed the download, causing errors like infinite sublime text alerts when a dependency is not installed in your computer.

In this version, Sync Settings will use Package Control commands, to ensure the installation of your packages, before to update Preferences.sublime-settings and Package Control.sublime-settings files.

Improvements:

• Add unix shell style for excluded_files and included_files options, using fnmatch library (wildcard).
• Improve error messages due to connection error, or insufficient token permissions.
• Delete custom logger by builtin logger
• Delete stylized popups by status bar messages
• Add ability to retrieve a gist without an access token
• Better documentation

Bug fixes:

• Exclude SyncSettings.sublime-settings on sync (https://github.com/mfuentesg/SyncSettings/issues/80)
• Fix files priority (https://github.com/mfuentesg/SyncSettings/issues/82)
• Colour scheme needs to load first (https://github.com/mfuentesg/SyncSettings/issues/90)
• Fix utf-8 error (https://github.com/mfuentesg/SyncSettings/issues/83)

[codecov-io]

Codecov Report

Merging #109 into master will decrease coverage by 0.55%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #109      +/-   ##
==========================================
- Coverage    93.9%   93.34%   -0.56%     
==========================================
  Files          13       13              
  Lines         541      541              
==========================================
- Hits          508      505       -3     
- Misses         33       36       +3

Impacted Files	Coverage Δ
sync_settings/libs/path.py	94.11% <0%> (-5.89%)	:arrow_down:
tests/test_gist_api.py	99.3% <0%> (-0.7%)	:arrow_down:

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