After a discussion with Silent, I've done the following changes:

jump_atf_scout has been removed from the rotation

The following maps have had their timelimits reduced to 15 mins:

colour_jumper_rocket

cp_skyscraper(1-5)

ctf_skyhigh_v2

jump_pipebomb_v1

jump_cellshaded_b4

jump_skyrail_b1

jump_slider_1

jump_thetwotowers_beta6

jump_tower

rocket_tower_jump

The following maps have had their timelimits reduced to 20 mins:

cp_bestinclass_v2

cp_highclass_v2

jumpandseek

jump_ingenii

jump_trix

jump_upsurge

rhop_basic

rickler_engineer_jump_a3

team_trial_final

Jumping_Trials

The following maps have had JM disabled and team balancing enabled:

cp_bestinclass_v2

cp_bestinclass_v2

cp_highclass_v2

cp_skyscraper

cp_skyscraper2

cp_skyscraper3

cp_skyscraper4

cp_skyscraper5

ctf_skyhigh_v2

jumpandseek

jump_cellshaded_b4

jump_skyrail_b1

jump_thetwotowers_beta6

jump_tower

jump_upsurge

rocket_tower_jump

team_trial_final