v0.2.7

Merged PRs:

• #1137 Make ip_is_lan return bool instead of 0/-1.
• #1133 Make the tsan build fail instead of swallowing its errors.
• #1132 Use bool in place of 0/1 int values.
• #1131 Format crypto_core.c.
• #1130 Fix test class name for mono_time_test.
• #1129 Call abort instead of exit on test failure.
• #1128 Add some tests for ping_array.
• #1127 Update copyright to 2018.
• #1125 Run save_compatibility_test in the autotools build.
• #1124 Fix the PORT_ALLOC failure of save_compatibility_test.
• #1123 Add support for setting a custom monotonic time function in mono_time
• #1122 Run all tests (and compilation) in parallel with autotools.
• #1120 Stop using massive macros in toxav_basic_test.
• #1119 Use do-while instead of while in tests.
• #1117 Fix leave callback calling in del_groupchat
• #1112 Fix auto_tests Makefile
• #1110 Add check to make sure tox was created successfully
• #1109 Consistently use 'mono_time' rather than 'monotime'
• #1107 Always print output on failure in cmake tests on Travis.
• #1106 Fix libmisc_tools building
• #1104 Avoid redefining macros from different files.
• #1103 Upload coverage to codecov as well as coveralls.
• #1102 Enable color diagnostics on circleci.
• #1101 Make the save_compatibility_test work with bazel.
• #1100 Make Mono_Time an argument to current_time_monotonic
• #1099 Fix const cast in save-generator.
• #1098 Run both asan and tsan on Circle CI.
• #1097 Run project tests like yamllint_test.
• #1096 Enable .travis.yml check and use non-markdown license.
• #1094 Set _POSIX_C_SOURCE to 200112L. We need it for C99 compat.
• #1092 Install the DHT_bootstrap binary on make install.
• #1086 Try ipv6 connections even after udp timeout
• #1081 Change while-loop to for-loop to express for-each-frame.
• #1075 Fix FreeBSD VM on Travis not shutting down
• #1061 Force storing the result of crypto_memcmp in the test.
• #1057 Reduce the number of times unix_time_update is called.
• #1051 Add save file generator, compatibility test, and generate a savefile
• #1038 Use per-instance Mono_Time instead of a global unix_time