Merge pull request #235 from Seeraeuber/encoding

Additional encodings

Force a reopening of the file when the user presses 'reload'.

Allow to get out of some situation where the file has changed but glogg
didn't register it.

Added additional encodings as requested in #217

Ensure the file is re-opened when it is deleted and recreated.

Fix #151

Optimise reload of files when it is not changed but signalled (for kqueue)

Implement file monitoring with kqueue FreeBSD / macOS.

This implementation is incomplete and does not deal well with deletion
/ renaming.

Avoid marking the tab 'red' on the first search.

Merge pull request #178 from danberindei/preserve-scrollbars-after-search

Preserve scrollbars after search

Keep selected line visible when search pattern changes

Rework encoding handling for multi-byte files. Add a test and fix a bug
when copying from a utf-16 file.

Preserve scrollbars after search

Search was setting the maximum marked line length to 0.

Fix build on travis mac os version

Fix compiler warnings

Switch from deprecated QRegExp to QRegularExpression

Add support for CP1251 and CP1252.

Show null characters as spaces.

Re-work position calculation to display UTF-16 properly.

Fix and end of line bug when a line is extended on a block (256) boundary.

Add initial support for UTF-16.

Allow [ and ] to move to next/prev mark.

Fixes #140

When doing a partial index, detect the start point in the worker thread.

It used to be done in the main thread and mangled the index in some
cases.

Fixes #149.

Fix a crash in CompressedLineStorage due to an unitialised value.

Fix a crash when a big file is updated with partial lines.

Clean up some extra debug messages.

Fixes a memory leak in the compressed line storage.

Fixes #129