Merge pull request #1 from nlohmann/master

moved all configurations to file `diarybot.cfg`
+add foursquare-support
+updated readme and requirements
+ add last.fm support
+ add newline at the end of the last debug log message so to visual separate to modules better
* handle 0-tracks-condition
* activated all source code
Merge branch 'master' of https://github.com/arbyter/diarybot into arbyter-master
minor changes
Merge branch 'arbyter-master'