Added redline theme, based on powerline

redline:
- added redline features to powerline
- added screenshot
- updated redline readme
- bugfix: resetting foreground color when distro logo is enabled
- fixed redline default element ordering

powerline:
- neater check for cached sudo
- started adding support for custom cwd separator glyph and color

bash-it:
- added sublime text to .gitignore

themes/redline/redline.theme.bash

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+. "$BASH_IT/themes/powerline/powerline.base.bash"
+
+PROMPT_DISTRO_LOGO=" "
+PROMPT_DISTRO_LOGO_COLOR=15
+PROMPT_DISTRO_LOGO_COLORBG=52
+
+PROMPT_CHAR=${POWERLINE_PROMPT_CHAR:=""}
+POWERLINE_LEFT_SEPARATOR=${POWERLINE_LEFT_SEPARATOR:=""}
+
+USER_INFO_SSH_CHAR=${POWERLINE_USER_INFO_SSH_CHAR:=" "}
+USER_INFO_SUDO_CHAR=${POWERLINE_USER_INFO_SUDO_CHAR:=" "}
+USER_INFO_THEME_PROMPT_COLOR=52
+USER_INFO_THEME_PROMPT_COLOR_SUDO=52
+
+PYTHON_VENV_CHAR=${POWERLINE_PYTHON_VENV_CHAR:=" "}
+CONDA_PYTHON_VENV_CHAR=${POWERLINE_CONDA_PYTHON_VENV_CHAR:="❲c❳ "}
+PYTHON_VENV_THEME_PROMPT_COLOR=23
+
+SCM_NONE_CHAR=""
+SCM_GIT_CHAR=${POWERLINE_SCM_GIT_CHAR:=" "}
+SCM_THEME_PROMPT_CLEAN=""
+SCM_THEME_PROMPT_DIRTY=""
+SCM_THEME_PROMPT_CLEAN_COLOR=235
+SCM_THEME_PROMPT_DIRTY_COLOR=235 #124
+SCM_THEME_PROMPT_STAGED_COLOR=235 #52
+SCM_THEME_PROMPT_UNSTAGED_COLOR=88
+SCM_THEME_PROMPT_COLOR=${SCM_THEME_PROMPT_CLEAN_COLOR}
+
+RVM_THEME_PROMPT_PREFIX=""
+RVM_THEME_PROMPT_SUFFIX=""
+RBENV_THEME_PROMPT_PREFIX=""
+RBENV_THEME_PROMPT_SUFFIX=""
+RUBY_THEME_PROMPT_COLOR=161
+RUBY_CHAR=${POWERLINE_RUBY_CHAR:=" "}
+
+CWD_THEME_DIR_SEPARATOR=""
+CWD_THEME_DIR_SEPARATOR_COLOR=52
+
+CWD_THEME_PROMPT_COLOR=238
+HOST_THEME_PROMPT_COLOR=88
+
+LAST_STATUS_THEME_PROMPT_COLOR=52
+
+CLOCK_THEME_PROMPT_COLOR=240
+
+BATTERY_AC_CHAR=${BATTERY_AC_CHAR:="⚡"}
+BATTERY_STATUS_THEME_PROMPT_GOOD_COLOR=70
+BATTERY_STATUS_THEME_PROMPT_LOW_COLOR=208
+BATTERY_STATUS_THEME_PROMPT_CRITICAL_COLOR=160
+
+THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:="%H:%M:%S"}
+
+IN_VIM_THEME_PROMPT_COLOR=245
+IN_VIM_THEME_PROMPT_TEXT="vim"
+
+POWERLINE_PROMPT=${POWERLINE_PROMPT:="python_venv ruby user_info hostname cwd scm"}
+
+safe_append_prompt_command __powerline_prompt_command