Merge pull request #35 from nowsprinting/master

Fix compile flag on Qt 5.3.1 (Clang 5.0 (Apple), 64-bit)
Move "twitterinfo.h" into project directory

before:
- "twitterinfo.h" was in "../KanmusuMemoryTwitter/" directory

after:
- "twitterinfo.h" is in this project root directory
- add "twitterinfo.h" to .gitignore
Support build on Travis-CI(Ubuntu)