Rename the package on NPM. Start to use semantic versioning.

Fix variables.less import.

Add a rz-slider-disabled attribute. Closes angular-slider#117

Support ticks for range and always visible bars

Update version number

Update version number

Update bower due to new folder structure

Implement a on-start and on-end callback as requested in angular-slid…

…er#121 and angular-slider#86.

Truly fix angular-slider#106. rz-slider-on-change fires before value …

…is changed

Fixes angular-slider#106 (rz-slider-on-change fires before value is c…

…hanged)