Merge pull request #40 from fabrizim/master

force compile if target file is missing
Changelog for 1.5.4
Create CONTRIBUTORS.md
Bumping plugin version to 1.5.4
Bumping plugin configuration version to 1.5.4
Updating personal website URI
Upgraded to less 0.4.0
Bump version
unlink exception during utpdated files cleanup
Merge pull request #49 from Manvel/unlink-exception

unlink exception during utpdated files cleanup
Create README.md
Create Common-Usage.md
Create Advanced-Usage.md
Create Embedding-within-a-WordPress-Theme.md
Create API.md