replaced deprecated chrome api method calls with backwards-compatible utility helper methods
replaced out-dated selector
updated dev dependencies
Merge pull request #34 from neocotic/dependency-updates

Updated development dependencies
changed manifest version to 2 and added initial csp
Merge pull request #36 from neocotic/manifest-csp

Manifest version 2
Merge branch 'wip-1.1.3' into chrome-api-updates
Merge branch 'wip-1.1.3' into selector-fix
updated docs
fixed missing manifest_version for #26
Merge branch 'wip-1.1.3' into selector-fix
fixed compatibility issues with manifest version 2 for #26
Merge branch 'wip-1.1.3' into selector-fix
fixed CSP compatibility issues relating to inline scripts for #26
Merge pull request #37 from neocotic/csp-compatibility

CSP Compatibility
Merge branch 'wip-1.1.3' into selector-fix
Merge pull request #33 from neocotic/selector-fix

Replaced outdated selector
fixed merge conflicts
Merge pull request #32 from neocotic/chrome-api-updates

Added compatibility with latest changes to the chrome API
fixed issue with popup becoming unresponsive after clearing badges or refreshing