stop using travis, builds are not stable due to memory problems
stop using travis, builds are not stable due to memory problems

meg0man/languagetool,jimregan/languagetool,meg0man/languagetool,jimregan/languagetool,meg0man/languagetool,lopescan/languagetool,lopescan/languagetool,languagetool-org/languagetool,jimregan/languagetool,meg0man/languagetool,janissl/languagetool,janissl/languagetool,lopescan/languagetool,janissl/languagetool,janissl/languagetool,janissl/languagetool,languagetool-org/languagetool,lopescan/languagetool,lopescan/languagetool,jimregan/languagetool,languagetool-org/languagetool,meg0man/languagetool,jimregan/languagetool,languagetool-org/languagetool,janissl/languagetool,languagetool-org/languagetool