Xilinx ISE and LM32 tools

See merge request common/dockerfiles!21

This container is based on LM32 tools and includes Xilinx ISE 14.7, Apache Ant, Java 1.8.0 and Doxygen

Resolve "rebuild omgsim base container"

Closes #10

See merge request common/dockerfiles!20

harmonised with centos:7

See merge request common/dockerfiles!19

Resolve "CentOS7 image with ROOT 6.20.04 not building"

Closes #9

See merge request common/dockerfiles!18

added epel repository at top - and leave it in

Closes #8

See merge request common/dockerfiles!17

candidate root 6.20.04 image

See merge request common/dockerfiles!16

Resolve "need docker container with root/lib/libMathMore.so"

Closes #7

See merge request common/dockerfiles!15

Resolve "iRODS installation within container"

Closes #6

See merge request common/dockerfiles!14