Remove validation icons from bottom bar.

- The div referring to the bottom bar is now called 'bottom'.
Merge branch '3.1.0' of https://github.com/aarpon/hrm into 3.1.0
Minor language modification in warning message.
Fix wrongly posted STED parameters.

- The recent changes added to the STED parameters for a better client-side interaction introduced this issue which could make the selection of image paramters stall.
Correct one last, wrong STED tag.
A new color for the HRM title.
When creating the Huygens template set the stabilization only if the dataset contains STED data.

- Older versions could inherit the stabilization from a task template that had been previously used for STED data. Thus, the stabilization could be switched on for non-STED data, although this would have no effect in HuCore, which also checks whether the data is STED.
Move the specific format statements that affect the output of 'displayString' to a somewhat more suitable place.
Fix 'displayString' to hide the stabilization parameter when the selected microscope is not a STED type.
Add Z Stabilization to the restoration parameters summary (detailed view page).
A few changes in warning and informative messages.
Remove some microscopic parameters from the summary table if they don't make sense for the microscope type.

- Remove STED parameter for non-STED microscopes.
- Remove pinhole radius for Widefield.
- Revemo pinhole spacing for non-Nipkow microscopes.

It may be necessary to speed up the creation of this table as current method scans the Huygens output file and runs a regular expression on each line.
Use strpos instead of preg_match for a first filter of the Huygens log file.

- strpos should perform faster than preg_match. More so since these functions are called very often while parsing the Huygens log into an HTML summary table.
The stabilization step for STED data always needs to be executed before deconvolution.

- This order is established by the taskList of the Huygens Template.
Minor file layout change: horizontal spaces.
Fix bug in thumbnail refresh on file format change.

On changing the file format, a reset of last selected image index was missing. If the user chose the first file of format A and then switched to the first file of format B, the thumbnail was not be refreshed.
Fix indenting and whitespaces.