[fix]links color
Merge branch 'master' into develop

Conflicts:
	OrangeBook/OrangeBook/src/main/java/com/amazingperformancestudio/orangebook/TextFragment.java
Merge branch 'master' into develop

Conflicts:
	OrangeBook/OrangeBook/src/main/java/com/amazingperformancestudio/orangebook/TextFragment.java
[fix] fullscreen background
Merge branch 'release/v0.5.1'