Add hydra to testing queue

Related to bug 15466.

Add Hydra to testing queue of Lyon.

assigned to @pijacquo

added 261 commits

• 07f7d6db...31a6b04d - 250 commits from branch master
• a594c380 - 1 earlier commit
• b3e3eaf6 - [lyon][hydra] g5k-checks import for hydra-1
• 7eba4a2b - [lyon][hydra] add mount properties for eth1 for hydra-1
• daf9bd80 - [lyon][hydra] Add missing info with default
• a0d9768f - [lyon][hydra] remove uneeded second by_path
• f8168dcb - [lyon][hydra] put ram_size to 0
• a05d53f0 - [lyon][hydra] Import g5k-check's final configuration
• eb947311 - [lyon][hydra] Add memory description
• 9eb17860 - [lyon][hydra] Import g5k-checks' CPU informations
• b62b2ac1 - [lyon][hydra] Remove duplicated dummy values.
• 36b15bc3 - [lyon][hydra] Add 'Grace' CPU architecture with a #FIXME

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added 2 commits

• 0457b1b4 - [lyon][hydra] import g5k-checks informations
• 2c6aee67 - [lyon][hydra] Add 'Grace' CPU architecture with a #FIXME

Compare with previous version

added 1 commit

• 2cec8d3f - [lyon][hydra] Regenerated data files after rebase

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mentioned in commit 908af248

merged