Merge branch 'hotfix/0.5.3'
chore(dist): update htmlmin, cssmin and uglify to latest versions
fix(bump): do not fail if bower.json does not contain version number
bumps version to 0.5.4
doc(changelog): update changelog for 0.5.4
Merge branch 'hotfix/0.5.4' into develop

Conflicts:
	package.json