Clarify the Charter so that contractors are explicity counted as affiliated

Author: mcollina

TSC-Charter.md

@@ -37,11 +37,13 @@ can be used to change a regular TSC member to a voting TSC member, or to change
 a voting TSC member to a regular TSC member.
 
 No more than one-fourth of the TSC voting members may be affiliated with the
-same employer. If change in TSC voting membership or a change of
-employment by a TSC voting member creates a situation where more than
-one-fourth of the TSC voting membership shares an employer, then the situation
-must be immediately remedied by the removal of voting member status from one or
-more TSC voting members affiliated with the over-represented employer(s).
+the same company (by any possible means, both as employment and contractual
+obligations).
+If a change in TSC voting membership or a change of employment by a TSC voting member
+creates a situation where more than one-fourth of the TSC voting membership are
+affiliated with the same company, then the situation must be immediately remedied
+by the removal of voting member status from one or more TSC voting members affiliated
+with the over-represented company. 
 
 The TSC shall meet regularly using tools that enable participation by the
 community (e.g. weekly on a Google Hangout On Air, or through any other