Fix/compose page issues

[eheinrich]

Things in this PR:

• Added text to the compose page buttons, and removed their tooltips
• Always set the acquire modes in the compose page, even for imagers. If a camera does not have any acquire modes, set to OFF.
• Comments from Nikolaus- updated some help text, fixed a bug in how configdb compiles optical elements.
• Worked through how bootstrap and javascript libraries are loaded in the django templates.
• In the instrumentconfig, update the binning even when the readout mode code does not change to account for the case where two different modes have the same code, but different binnings.
• Fix target lookup service, a leftover from the target type change.
• Move ajax setup out of global entrypoint and into specific entry points where the setup is used. The jquery docs warned against the way we were doing it, and now the global bundle is a bit smaller.

[coveralls]

Coverage increased (+0.0008%) to 96.137% when pulling 528dc34 on fix/compose-page-issues into ef13db5 on master.

[coveralls]

Coverage increased (+0.0008%) to 96.137% when pulling b0f4d32 on fix/compose-page-issues into ef13db5 on master.