Removed flowplayer due to license restrictions

Signed-off-by: Daniel Spors <daniels@scavix.com>
Updated PHPExcel to 1.7.8

Signed-off-by: Daniel Spors <daniels@scavix.com>
Added PHPExcel license.txt

Signed-off-by: Daniel Spors <daniels@scavix.com>
Merge branch 'master' of https://github.com/ScavixSoftware/WebFramework