SMD: Fixed wrong preview radius and added RULEUCC_Pause

* EffectiveRadius was 75 when the actual radius of the weapon is 90
* Can't see a reason for not allowing players to pause their SMD
Fix Bomber, Readme, and Description
Readme: Clarify that changes are up for discussion
Revert mongoose and tempest changes

These are now listed as under consideration, instead of changes to be made.

This reverts commits 52ada91b6843d6b9a94d2d94810d0f20f9553127 and e4d25163b18a928b07d1b884512c475493ca0c46.
Update readme
Simple lua syntax checker using Travis CI

+ Tiny syntax fixes.
Add Travis Syntax Checker status