Reordering variables that were being used before they were declared. Under some compilers (dotless & sublime 2 package), this would cause the compile to break. Variables in question were:

@dropdown-link-active-bg
@navbar-link-color
@navbar-inverse-link-color
Merge pull request #7528 from acolchado/3.0.0-wip

[3.0.0-wip] Reordering variables that were being used before they were declared. Fixes compiler crashes.